Perhaps you should try some spelling variations:
quang toan » quang tuan, quang tran, quang doan
theo chau » theo chu, theo chieu, theo phap
chau tinh » cuu tinh, ha tinh, cua tinh
tung toan » dung toan, truong toan, trong toan
cong dan » cong san, cong tan, huong dan
dan than » dan chan, ban than, van than
than cao » toan cao, thai cao, than cap

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo chau tinh - thanh ((tung toan) OR (quang toan)) trong cong dan than cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chau tinh - thanh ((tung toan) OR (quang toan)) trong cong dan than cao".
• Adding a wildcard symbol may retrieve word variants: theo chau tinh - thanh ((tung toan) OR (quang toan)) trong cong dan than cao*.