Perhaps you should try some spelling variations:
luan nhung » luan chung, luan hung, quan nhung
nhung cong » dung cong, thong cong, hang cong
thi chieu » thi chien, thi hieu, theo chieu
hanh dung » thanh dung, hanh dong, manh dung
theo chu » theo chieu, cho chu, chao chu
anh dung » anh dong, anh huong, sach dung
cong tac » cong ty
tac can » tac van, tac quan, tac vang
can cau » van cau, ban cau, ca cau

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((thi chieu) or (theo chu)) sach - ((hanh dung) OR (anh dung)) luan nhung cong tac can cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((thi chieu) OR (theo chu)) sach - ((hanh dung) OR (anh dung)) luan nhung cong tac can cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((thi chieu) or (theo chu)) sach - ((hanh dung) OR (anh dung)) luan nhung cong tac can cau".
• Adding a wildcard symbol may retrieve word variants: ((thi chieu) or (theo chu)) sach - ((hanh dung) OR (anh dung)) luan nhung cong tac can cau*.