Perhaps you should try some spelling variations:
thien thanh » tien thanh, thi thanh, hien hanh
hanh trang » thanh trung, canh tranh, hanh trinh
hoc thien » hoc hien, hoc thieu, hoc thiet
cua nhung » va nhung
cua hang » cua dang, cua ban, cua dan
cong tac » cong ty
tac toan » tap toan, tam toan, hach toan
toan cao » toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc thien thanh - hanh trang ((((cua hang) or (cua nhung))) or (cua cong)) cong tac toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thien thanh - hanh trang ((((cua hang) OR (cua nhung))) OR (cua cong)) cong tac toan cao.
• Adding a wildcard symbol may retrieve word variants: hoc thien thanh - hanh trang ((((cua hang) or (cua nhung))) or (cua cong)) cong tac toan cao*.