Perhaps you should try some spelling variations:
cang thang » cong thanh, dang thanh
kieu tinh » trieu tinh, diep tinh, bien tinh
lieu tinh » trieu tinh, diep tinh, bien tinh
thang van » tang van, thanh van, thong van
van khang » van khanh, van thanh, van quang
cong dan » cong san, huong dan, cong dong
cong tan » cong tac, cong san, cong thanh
phan cac » nhan cach, phan dau, phan lap

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((kieu tinh) or (lieu tinh)) - cang thang van khang ((cong dan) OR (cong tan)) phan cac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((kieu tinh) OR (lieu tinh)) - cang thang van khang ((cong dan) OR (cong tan)) phan cac.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((kieu tinh) or (lieu tinh)) - cang thang van khang ((cong dan) OR (cong tan)) phan cac".
• Adding a wildcard symbol may retrieve word variants: hoc ((kieu tinh) or (lieu tinh)) - cang thang van khang ((cong dan) OR (cong tan)) phan cac*.