Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
tranh cua » doanh cua, manh cua
ho chieu » theo chieu, hoc thieu, doi chieu
dong tac » dong tai, dong bac, dong tam
cong tac » cong ty
than cau » phan cau, than cap, thanh chau
toan cau » toan cao, toan ban, toan tap
cua dan » cua dang, cua ban, ca dan

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 - canh tranh cua dan ((dong tac) OR (cong tac)) ((than cau) or (toan cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu tinh - canh tranh cua dan ((dong tac) OR (cong tac)) ((than cau) OR (toan cau)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu tinh - canh tranh cua dan ((dong tac) OR (cong tac)) ((than cau) or (toan cau))".
• Adding a wildcard symbol may retrieve word variants: ho chieu tinh - canh tranh cua dan ((dong tac) OR (cong tac)) ((than cau) or (toan cau))*.