Perhaps you should try some spelling variations:
theo chieu » theo tieu, theo chu, thi chieu
trinh thuc » trinh tu, trinh thi
hanh cong » thanh cong, hang cong, hanh dong
ho chieu » hoc thieu, doi chieu, mot chieu
cong van » cong vang, cong san, song van
van quan » van ban
quan tap » quan tai, quan lap, quan tam

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((ho chieu) or (theo chieu)) tinh - hanh ((trinh thuc) or (trinh ky)) hanh cong van quan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (theo chieu)) tinh - hanh ((trinh thuc) OR (trinh ky)) hanh cong van quan tap.
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (theo chieu)) tinh - hanh ((trinh thuc) or (trinh ky)) hanh cong van quan tap*.