Perhaps you should try some spelling variations:
thieu tinh » trieu tinh, chieu tinh, thien tinh
nhung cong » dung cong, thong cong, nhung don
hoc thieu » toc thieu, hoc hien
hang cong » dang cong, hang nong, bang cong
thang va » trang va, thong va, thanh va
van toan » van tuan, van tan, van thanh
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 - nhanh ((thang va) or (hang va)) ((nhung cong) or (hang cong)) van toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu tinh - nhanh ((thang va) OR (hang va)) ((nhung cong) OR (hang cong)) van toan cao.
• Adding a wildcard symbol may retrieve word variants: hoc thieu tinh - nhanh ((thang va) or (hang va)) ((nhung cong) or (hang cong)) van toan cao*.