Perhaps you should try some spelling variations:
thieu tinh » trieu tinh, chieu tinh, thien tinh
hanh tranh » canh tranh, hanh trinh, hanh trang
hoc thieu » toc thieu, hoc hien
tranh van » tran van, trinh van, thanh van
van nang » van quang, van ban, van dong
cong dan » cong tan, huong dan, cong dong
cong tac » cong ty
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 thieu tinh - hanh tranh van nang ((cong dan) or (((cong san) or (cong tac)))) toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu tinh - hanh tranh van nang ((cong dan) OR (((cong san) OR (cong tac)))) toan cao.
• Adding a wildcard symbol may retrieve word variants: hoc thieu tinh - hanh tranh van nang ((cong dan) or (((cong san) or (cong tac)))) toan cao*.