Perhaps you should try some spelling variations:
thanh trung » thanh tung
hoc thieu » toc thieu, hoc hien
doi chieu » doc hieu, doi chi, mot chieu
dung cong » dung trong
ho chieu » theo chieu, mot chieu, thi chieu
trung ap » trung cap, trung lap, trung tam
cong tai » cong thai, cong tac, dong tai
tai tren » thai tren, thi tren, gai tren
tren cau » tren ca, tren cay, tren tau
ap dung » xay dung, van dung

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 (((doi chieu) or (ho chieu)))) xanh - thanh trung ap dung cong tai tren cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc thieu) OR (((doi chieu) OR (ho chieu)))) xanh - thanh trung ap dung cong tai tren cau.
• Adding a wildcard symbol may retrieve word variants: ((hoc thieu) or (((doi chieu) or (ho chieu)))) xanh - thanh trung ap dung cong tai tren cau*.