Perhaps you should try some spelling variations:
tieng trung » truong trung
thieu tinh » trieu tinh, chieu tinh, thien tinh
dang trung » dung trung, dong trung, quang trung
nhung cong » dung cong, thong cong, hang cong
hoc thieu » toc thieu, hoc hien
cua nhung » va nhung
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 - ((dang trung) or (tieng trung)) cua nhung cong san toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu tinh - ((dang trung) OR (tieng trung)) cua nhung cong san toan cao*.