Perhaps you should try some spelling variations:
thieu tinh » trieu tinh, chieu tinh, thien tinh
hoc thieu » toc thieu, hoc hien
ha phuong » han phuong, hoa phuong, va phuong
thong san » thong sang, trong san, thong dan
thong van » trong van, thong va, thong quan
toan cao » toan ban, toan tap
cong ha » cong hoa, dong ha, cong tac

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 - thanh cong ha phuong ((thong san) or (thong van)) toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu tinh - thanh cong ha phuong ((thong san) OR (thong van)) toan cao.
• Adding a wildcard symbol may retrieve word variants: hoc thieu tinh - thanh cong ha phuong ((thong san) or (thong van)) toan cao*.