Perhaps you should try some spelling variations:
thieu manh » hieu manh, tien manh, trieu minh
hoc thieu » toc thieu, hoc hien
canh tran » canh tranh, hanh trang, banh trang
van thanh » ban thanh, van tuan
van hang » van khang, van hoang, van thang
cong tac » cong ty
tac toan » tap toan, tam toan, hach toan
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 thieu manh - canh tran ((van hang) or (van thanh)) cong tac toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu manh - canh tran ((van hang) OR (van thanh)) cong tac toan ban.
• Adding a wildcard symbol may retrieve word variants: hoc thieu manh - canh tran ((van hang) or (van thanh)) cong tac toan ban*.