Perhaps you should try some spelling variations:
thanh dung » thanh duong, thanh tung, thanh hung
thong cong » trong cong, tong cong, thong thong
cong thanh » dong thanh, cong trinh, cong tan
thanh than » thanh thanh, thanh thang, thanh toan
doi chieu » doc hieu, ho chieu, mot chieu
va thong » va thuong, va phuong, he thong
than cao » toan cao, thai cao, than cap
doi chi » doi khi

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 (doi chi)) sach - thanh dung va thong cong thanh than cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doi chieu) OR (doi chi)) sach - thanh dung va thong cong thanh than cao.
• Adding a wildcard symbol may retrieve word variants: ((doi chieu) or (doi chi)) sach - thanh dung va thong cong thanh than cao*.