Perhaps you should try some spelling variations:
thuong luong » theo luong, cong luong, thong thuong
theo chieu » theo tieu, ho chieu, theo chu
chieu xanh » chieu sach, chieu sang, chieu tinh
van thanh » ban thanh, van tuan
mang vua » mang cua, hang va, bang va
van toan » van tuan, van tan, manh toan
mang va » hang va, bang va, dang va

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 xanh - hanh ((mang va) or (mang vua)) thuong luong ((van toan) OR (van thanh)) cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu xanh - hanh ((mang va) OR (mang vua)) thuong luong ((van toan) OR (van thanh)) cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chieu xanh - hanh ((mang va) or (mang vua)) thuong luong ((van toan) OR (van thanh)) cao".
• Adding a wildcard symbol may retrieve word variants: theo chieu xanh - hanh ((mang va) or (mang vua)) thuong luong ((van toan) OR (van thanh)) cao*.