Perhaps you should try some spelling variations:
thanh trung » thanh tung
trinh toan » tinh toan, thanh toan, trinh han
hoc thieu » toc thieu, hoc hien
trung van » truong van, trong van, trung va
dung cong » dung trong
theo chu » theo chieu, cho chu, chao chu
van dung » van dong, xay dung, tin dung
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) or (theo chu)) xanh - thanh trung van dung cong trinh toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc thieu) OR (theo chu)) xanh - thanh trung van dung cong trinh toan cao*.