Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
hanh trinh » canh tranh, hanh chinh
ho chieu » theo chieu, hoc thieu, doi chieu
van dung » van dong, xay dung, tin dung
cong van » cong vang, song van, cong tan
cong san » cong tac
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: ho chieu tinh - hanh trinh ((va ung) or (van dung)) ((cong van) OR (cong san)) toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu tinh - hanh trinh ((va ung) OR (van dung)) ((cong van) OR (cong san)) toan cau*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu tinh - hanh trinh ((va ung) or (van dung)) ((cong van) OR (cong san)) toan cau*".