Perhaps you should try some spelling variations:
truong va » truong dai, truong cao, truong dao
dung cong » dung trong
khi sang » khai sang, phi san, nha sang
trung ha » trung hoc, trung cap
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: doi khi sang - thanh ((truong va) or (((trung ha) or (trung tam)))) dung cong dan toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi khi sang - thanh ((truong va) OR (((trung ha) OR (trung tam)))) dung cong dan toan cau.
• Adding a wildcard symbol may retrieve word variants: doi khi sang - thanh ((truong va) or (((trung ha) or (trung tam)))) dung cong dan toan cau*.