Perhaps you should try some spelling variations:
trung thanh » truong thanh
thieu xanh » chieu xanh, hieu manh, thien anh
nhung cong » dung cong, thong cong, hang cong
trinh toan » tinh toan, thanh toan, trinh han
hoc thieu » toc thieu, hoc hien
trung cap » truong cao, trung tam
toan ban » van ban

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 xanh - hanh ((trung thanh) or (trung cap)) nhung cong trinh toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - hanh ((trung thanh) OR (trung cap)) nhung cong trinh toan ban.
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - hanh ((trung thanh) or (trung cap)) nhung cong trinh toan ban*.