Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
hoc thiet » hoc thieu, hoc thuyet, toc thieu
trinh cua » tinh cua, trinh luat, trinh quan
cua dung » cua dang, cua dong, qua dung
cong tap » cuong tap, cong tan, tong tap
cong tac » cong ty
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((hoc thiet) or (hoc hien)) minh - hanh trinh cua dung ((cong tap) or (cong tac)) toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc thiet) OR (hoc hien)) minh - hanh trinh cua dung ((cong tap) OR (cong tac)) toan ban.
• Adding a wildcard symbol may retrieve word variants: ((hoc thiet) or (hoc hien)) minh - hanh trinh cua dung ((cong tap) or (cong tac)) toan ban*.