Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
canh thanh » canh tranh, danh thanh, anh thanh
ho chieu » theo chieu, hoc thieu, doi chieu
san sang » nang sang, san chang, lam sang
van sang » van nang, van sung, van hang
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh 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: ho chieu tinh - canh thanh ((san sang) OR (van sang)) cong dan toan cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu tinh - canh thanh ((san sang) OR (van sang)) cong dan toan cau".
• Adding a wildcard symbol may retrieve word variants: ho chieu tinh - canh thanh ((san sang) OR (van sang)) cong dan toan cau*.