Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, chau tinh, kieu tinh
thanh tung » thanh cong
tuan trong » thuan trong, quan trong, tran trong
lieu tinh » trieu tinh, diep tinh, bien tinh
tung tuan » trung tuan, hung tuan, quang tuan
cong tac » cong ty
toan cao » toan tap
toan ban » van ban

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu tinh) OR (lieu tinh)) - thanh tung tuan trong cong tac ((toan cao) OR (toan ban))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu tinh) or (lieu tinh)) - thanh tung tuan trong cong tac ((toan cao) OR (toan ban))~".
• Adding a wildcard symbol may retrieve word variants: ho ((chieu tinh) or (lieu tinh)) - thanh tung tuan trong cong tac ((toan cao) OR (toan ban))*.