Perhaps you should try some spelling variations:
thieu hach » thien hach, chieu sach, hieu cach
tuan thong » toan thong, tran thong, tuan phong
hoc thieu » toc thieu, hoc hien
thanh tra » thanh toan
thanh hoa » thanh pho
cong san » cong tac
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 hach - ((thanh tra) OR (thanh hoa)) tuan thong ((cong san) or (cong ty)) toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu hach - ((thanh tra) OR (thanh hoa)) tuan thong ((cong san) OR (cong ty)) toan cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu hach - ((thanh tra) OR (thanh hoa)) tuan thong ((cong san) or (cong ty)) toan cao".
• Adding a wildcard symbol may retrieve word variants: hoc thieu hach - ((thanh tra) OR (thanh hoa)) tuan thong ((cong san) or (cong ty)) toan cao*.