Perhaps you should try some spelling variations:
hanh trang » thanh trung, hanh trinh, minh trang
phap tinh » phap tieng, phap tang, tap tinh
phap sinh » phau sinh, phai sinh
van cong » van dong, van phong, phan cong
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 ((phap tinh) or (phap sinh)) - ((hanh trang) OR (canh tranh)) luan van cong tac toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((phap tinh) OR (phap sinh)) - ((hanh trang) OR (canh tranh)) luan van cong tac toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((phap tinh) or (phap sinh)) - ((hanh trang) OR (canh tranh)) luan van cong tac toan cau".
• Adding a wildcard symbol may retrieve word variants: theo ((phap tinh) or (phap sinh)) - ((hanh trang) OR (canh tranh)) luan van cong tac toan cau*.