Perhaps you should try some spelling variations:
thi chieu » thi chien, thi hieu, theo chieu
dung cong » dung trong
cong quan » cuong quan, cong quang, tong quan
ho chieu » theo chieu, hoc thieu, doi chieu
trung va » truong va, trang va, trung tam
trung ha » trung hoc, trung tam, trung cap
luan tap » luan lap, luan tac, luat tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((ho chieu) or (thi chieu)) sach - thanh ((trung va) or (trung ha)) dung cong quan luan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (thi chieu)) sach - thanh ((trung va) OR (trung ha)) dung cong quan luan tap.
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (thi chieu)) sach - thanh ((trung va) or (trung ha)) dung cong quan luan tap*.