Perhaps you should try some spelling variations:
theo chieu » ho chieu, theo chu, thi chieu
hanh tang » hanh trang, hanh mang, hanh tung
phan cong » thanh cong
anh tang » anh bang, anh dang, anh nang
cua phan » cua nhan, cua phap, cua han
cong van » cong vang, cong san, song van
van toan » van tuan, van tan, van thanh
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) or (theo tieu)) xanh - ((hanh tang) OR (anh tang)) cua phan cong van toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chieu) OR (theo tieu)) xanh - ((hanh tang) OR (anh tang)) cua phan cong van toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo chieu) or (theo tieu)) xanh - ((hanh tang) OR (anh tang)) cua phan cong van toan ban".
• Adding a wildcard symbol may retrieve word variants: ((theo chieu) or (theo tieu)) xanh - ((hanh tang) OR (anh tang)) cua phan cong van toan ban*.