Perhaps you should try some spelling variations:
thanh trung » thanh tung
hoc thieu » toc thieu, hoc hien
thieu anh » thien anh, chieu xanh, thien danh
dung cong » dung trong
trung ap » trung cap, trung lap, trung tam
ap dung » xay dung, van dung
van tan » van tuan, van ban, van tai

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 anh - thanh trung ap dung cong ((tan tran) or (van tan)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu anh - thanh trung ap dung cong ((tan tran) OR (van tan)) cau*.