Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
thong vung » thong dung, thong cung, thong quang
hieu manh » chieu xanh, hieu nganh, dieu hanh
vung dan » vung dat, dung dan, tung dan
dan toan » van toan, dan than, manh toan
toan cau » toan cao, toan ban, toan tap
tung va » trung va, tuong va, vung va

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((hieu manh) or (chieu tinh)) - thanh ((tung va) or (dung va)) thong vung dan toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((hieu manh) OR (chieu tinh)) - thanh ((tung va) OR (dung va)) thong vung dan toan cau.
• Adding a wildcard symbol may retrieve word variants: ho ((hieu manh) or (chieu tinh)) - thanh ((tung va) or (dung va)) thong vung dan toan cau*.