Perhaps you should try some spelling variations:
tuan trong » thuan trong, quan trong, tran trong
thanh tran » thanh trang, thanh toan, thanh tra
lieu tinh » trieu tinh, bien tinh
hanh tran » hanh trang, hanh tram, thanh trang
cong tac » cong ty
tac toan » tap toan, tam toan, hach toan
toan cau » toan cao, toan ban, toan 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 ((lieu tinh) or (diep tinh)) - ((hanh tran) OR (thanh tran)) tuan trong cong tac toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((lieu tinh) OR (diep tinh)) - ((hanh tran) OR (thanh tran)) tuan trong cong tac toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((lieu tinh) or (diep tinh)) - ((hanh tran) OR (thanh tran)) tuan trong cong tac toan cau".
• Adding a wildcard symbol may retrieve word variants: theo ((lieu tinh) or (diep tinh)) - ((hanh tran) OR (thanh tran)) tuan trong cong tac toan cau*.