Perhaps you should try some spelling variations:
thanh thanh » nhanh thanh, thanh toan, thanh phan
cong thanh » dong thanh, cong trinh, cong tan
hoc thieu » toc thieu, hoc hien
trung dai » truong dai, truong dao, trung tam
dung cong » dung trong
thanh lap » thanh san, phan lap, thanh hai
ho chieu » theo chieu, mot chieu, doi chieu
tung dan » dung dan, huong dan, dung dat

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 (hoc thieu)) sach - thanh ((tung dan) or (trung dai)) dung cong thanh thanh lap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (hoc thieu)) sach - thanh ((tung dan) OR (trung dai)) dung cong thanh thanh lap.
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (hoc thieu)) sach - thanh ((tung dan) or (trung dai)) dung cong thanh thanh lap*.