Perhaps you should try some spelling variations:
thieu hach » thien hach, chieu sach, hieu cach
nhanh lang » nhanh quang, nhanh thang, nhan dang
thanh tran » thanh trang, thanh toan, thanh tra
hoc thieu » toc thieu, hoc hien
dung cong » dung trong
lang van » dang van, tang van, hoang van
van dung » van dong, xay dung, tin dung

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 - nhanh lang van dung cong ((thanh tran) or (tinh toan)) ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu hach - nhanh lang van dung cong ((thanh tran) OR (tinh toan)) ban.
• Adding a wildcard symbol may retrieve word variants: hoc thieu hach - nhanh lang van dung cong ((thanh tran) or (tinh toan)) ban*.