Perhaps you should try some spelling variations:
"thep van lam trinh doc." » "thep van lam tinh doc.", "thep van tao trinh doc.", "thep van cam tinh doc.", "thep van lam trinh do.", "thep van lam trinh co.", "thep van lam trinh hoi.", "ghep van lam trinh doc.", "theo van lam trinh doc.", "thep bang lam trinh doc.", "thep van nam trinh doc."
"heo xanh lap trinh hoa." » "heo xanh lap trinh do.", "heo xanh lap trinh han.", "heo xanh lam trinh hoa.", "heo xanh lan trinh hoa.", "heo thanh lap trinh hoa."
"thep hanh lam dinh cac." » "thep hinh lam dinh cac.", "them thanh lam dinh cac.", "thuc hanh lam dinh cac.", "thep thanh lap dinh cac.", "thep hanh kem dinh cac.", "thep hanh va dinh cac.", "thep hanh nam dinh cac.", "thep hanh lam tinh cac.", "thep hanh lam linh cac.", "thep hanh lam tinh cach.", "thep hanh lam dinh chuc.", "thep hanh lam dinh chau."

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("thep van lam trinh doc.") or ("heo xanh lap trinh hoa."))) or ("thep hanh lam dinh cac."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thep van lam trinh doc.") OR ("heo xanh lap trinh hoa."))) OR ("thep hanh lam dinh cac.")).
• Removing quotes may allow a broader search: (((( thep van lam trinh doc. ) or ( heo xanh lap trinh hoa. ))) or ( thep hanh lam dinh cac. )).
• Adding a wildcard symbol may retrieve word variants: (((("thep van lam trinh doc.") or ("heo xanh lap trinh hoa."))) or ("thep hanh lam dinh cac."))*.