Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
cong khanh » cong thanh, cong khan, cong nhan
hanh tang » hanh trang, hanh mang, hanh tung
cua nhung » va nhung
thanh tap » thanh lap, thanh tai, thanh tam
thanh tay » thanh tai, thanh toan, thanh thuy
cao sach » co sach, ao sach, cau sach
anh tang » anh bang, anh dang, anh nang
cho cao » cho cac, cho dao, cho can

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

• Performing a fuzzy search may retrieve terms with similar spellings: cho cao sach - ((hanh tang) or (anh tang)) cua nhung cong khanh ((thanh tap) OR (thanh tay))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: cho cao sach - ((hanh tang) OR (anh tang)) cua nhung cong khanh ((thanh tap) OR (thanh tay)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "cho cao sach - ((hanh tang) or (anh tang)) cua nhung cong khanh ((thanh tap) OR (thanh tay))".
• Adding a wildcard symbol may retrieve word variants: cho cao sach - ((hanh tang) or (anh tang)) cua nhung cong khanh ((thanh tap) OR (thanh tay))*.