Perhaps you should try some spelling variations:
quan trong » gian trong
hanh tung » thanh tung, manh tung, hanh dung
theo chu » theo chieu, cho chu, chao chu
chu bang » thu bang, chuc nang, chu quang
anh tang » anh bang, anh dang, anh nang
cong ban » cong bang, cong san, cong tan
hang ca » hang va, nang cao, hang tai

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo chu bang - ((hanh tung) or (anh tang)) quan trong ((cong ban) or (cong trinh)) hang ca~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chu bang - ((hanh tung) OR (anh tang)) quan trong ((cong ban) OR (cong trinh)) hang ca.
• Adding a wildcard symbol may retrieve word variants: theo chu bang - ((hanh tung) or (anh tang)) quan trong ((cong ban) or (cong trinh)) hang ca*.