Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
hoc thieu » toc thieu, hoc hien
thanh tra » thanh toan, thanh hoa
ho chieu » theo chieu, doi chieu, mot chieu
cong anh » cong danh, dong anh, hong anh
tuan cao » toan cao, quang cao, thuan cam
juan cao » quang cao, toan cao, quan cau
tra va » ra va, tra ha, tran van

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 tra va nhung cong anh ((tuan cao) OR (juan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (hoc thieu)) sach - thanh tra va nhung cong anh ((tuan cao) OR (juan cao)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) or (hoc thieu)) sach - thanh tra va nhung cong anh ((tuan cao) OR (juan cao))".
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (hoc thieu)) sach - thanh tra va nhung cong anh ((tuan cao) OR (juan cao))*.