Perhaps you should try some spelling variations:
thanh trung » thanh tung
kieu tinh » trieu tinh, diep tinh, bien tinh
lieu tinh » trieu tinh, diep tinh, bien tinh
trung cad » trung cap, trung ca, trung can
cad trong » cay trong, ca trong, chat trong
cong tac » cong ty
tac khan » tac nhan, cac khoan, tac chuan
khan cap » khan ap, than cap, khoan cam

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((kieu tinh) or (lieu tinh)) - thanh trung cad trong cong tac khan cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((kieu tinh) OR (lieu tinh)) - thanh trung cad trong cong tac khan cap.
• Adding a wildcard symbol may retrieve word variants: theo ((kieu tinh) or (lieu tinh)) - thanh trung cad trong cong tac khan cap*.