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
toan dang » tran dang, toan tang, tuan dang
toan mang » toan tang, toan thang, toan ban
cong tac » cong ty
tac than » tac thanh, tam than, tac nhan
than tap » toan tap, han tap, phan tap

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