Perhaps you should try some spelling variations:
chieu tinh » lieu tinh, chau tinh, kieu tinh
manh trung » manh tung, thanh trung, manh hung
trung vap » trung cap, trung va, trung van
dung cong » dung trong
vap dung » van dung, ap dung, va dung
cong tac » cong ty
toan cau » toan ban, toan tap, toan tai
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: doi ((chieu tinh) OR (trieu tinh)) - manh trung vap dung cong tac ((toan cau) or (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chieu tinh) OR (trieu tinh)) - manh trung vap dung cong tac ((toan cau) OR (toan cao)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi ((chieu tinh) OR (trieu tinh)) - manh trung vap dung cong tac ((toan cau) or (toan cao))".
• Adding a wildcard symbol may retrieve word variants: doi ((chieu tinh) OR (trieu tinh)) - manh trung vap dung cong tac ((toan cau) or (toan cao))*.