Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, chau tinh, kieu tinh
lieu tinh » trieu tinh, diep tinh, bien tinh
tranh cua » doanh cua, manh cua
ban tong » ban trong, ban tuong, ban thong
tong lam » trong lam, thong lam, nong lam
lam toan » lam tan, lap toan, tam 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: hoc ((chieu tinh) or (lieu tinh)) - canh tranh cua ban tong lam toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((chieu tinh) OR (lieu tinh)) - canh tranh cua ban tong lam toan cau.
• Adding a wildcard symbol may retrieve word variants: hoc ((chieu tinh) or (lieu tinh)) - canh tranh cua ban tong lam toan cau*.