Perhaps you should try some spelling variations:
tieng trung » truong trung
thieu tinh » trieu tinh, chieu tinh, thien tinh
dong trung » dung trung, dong trong, dang trung
hoc thieu » toc thieu, hoc hien
bang cong » dang cong, bang song, hang cong
cua bang » chua bang, cua ban, cua dang
cong san » cong tac
san toan » van toan, dan toan, manh toan
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 - ((dong trung) or (tieng trung)) cua bang cong san toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu tinh - ((dong trung) OR (tieng trung)) cua bang cong san toan cao*.