Perhaps you should try some spelling variations:
cong nguong » cong nguon, cong thuong, cong luong
thanh toan » thanh hoa, thanh san, tinh toan
thi chieu » thi chien, thi hieu, theo chieu
hanh tang » hanh trang, anh tang, hanh mang
tang luat » tang luan, nang suat, hang luan
luat cong » thuat cong, luat chung, cua cong
manh toan » anh tuan, tinh toan
theo chu » theo chieu, cho chu, chao chu

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)) xanh - hanh tang luat cong nguong ((manh toan) OR (thanh toan)) ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((thi chieu) OR (theo chu)) xanh - hanh tang luat cong nguong ((manh toan) OR (thanh toan)) ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((thi chieu) or (theo chu)) xanh - hanh tang luat cong nguong ((manh toan) OR (thanh toan)) ban".
• Adding a wildcard symbol may retrieve word variants: ((thi chieu) or (theo chu)) xanh - hanh tang luat cong nguong ((manh toan) OR (thanh toan)) ban*.