Perhaps you should try some spelling variations:
nhanh thanh » phan thanh, nhanh tinh
theo chieu » theo tieu, ho chieu, theo chu
chieu tinh » trieu tinh, lieu tinh, chau tinh
van thanh » ban thanh, van tuan
dang cong » dung cong
van dang » van dong, van dung, van nang
cong tan » cong tac, cong san, cong thanh
tan phan » toan phan, than phan, van phan
phan lap » phan dau

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 tinh - ((nhanh thanh) or (van thanh)) van dang cong tan phan lap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu tinh - ((nhanh thanh) OR (van thanh)) van dang cong tan phan lap.
• Adding a wildcard symbol may retrieve word variants: theo chieu tinh - ((nhanh thanh) or (van thanh)) van dang cong tan phan lap*.