Perhaps you should try some spelling variations:
thanh trung » thanh tung
doi chieu » doc hieu, doi chi, mot chieu
dung cong » dung trong
trung ap » trung cap, trung lap, trung tam
cong van » cong vang, cong san, song van
ap dung » xay dung, van dung
hoa han » hoa phan, hoa dan, hoa van

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ((doi chieu) or (toc thieu)) sach - thanh trung ap dung cong van hoa han~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doi chieu) OR (toc thieu)) sach - thanh trung ap dung cong van hoa han*.