Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
chieu sach » chinh sach, chiet tach, chieu sang
luong quan » thong quan, duong qua
dong chung » cong chung, dong hung, dong cung
dung chung » dung cong, dung ung, dung trung
anh luong » anh huong, anh duong, nang luong
manh toan » thanh toan, anh tuan, tinh toan
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo chieu sach - anh luong quan ((dong chung) or (dung chung)) manh toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu sach - anh luong quan ((dong chung) OR (dung chung)) manh toan ban.
• Adding a wildcard symbol may retrieve word variants: theo chieu sach - anh luong quan ((dong chung) or (dung chung)) manh toan ban*.