Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
hanh tram » hanh tam, hanh trang, thanh tran
van hoang » van hoan, quan hoang, tran hoang
van khang » van khanh, van thanh, van quang
ho chieu » theo chieu, hoc thieu, doi chieu
cong tac » cong ty
tac han » tac nhan, tac ha, tac can
han tap » han tai, toan tap, nhan tai

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 tinh - ((hanh tram) or (canh tranh)) ((van hoang) or (van khang)) cong tac han tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu tinh - ((hanh tram) OR (canh tranh)) ((van hoang) OR (van khang)) cong tac han tap.
• Adding a wildcard symbol may retrieve word variants: ho chieu tinh - ((hanh tram) or (canh tranh)) ((van hoang) or (van khang)) cong tac han tap*.