Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, kieu tinh
thanh data » thanh dat, thanh dam, thanh dan
chau tinh » cuu tinh, ha tinh, cua tinh
data phan » dam phan, sat phan, vat phan
phan cong » thanh cong
van thinh » van thanh, van chinh, van minh
cong tan » cong tac, cong san, cong thanh
thinh ca » tinh ca, chinh ca, thanh ca
tan van » tran van, tang van, luan van

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi ((chieu tinh) OR (chau tinh)) - thanh data phan cong tan van thinh ca~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi ((chieu tinh) OR (chau tinh)) - thanh data phan cong tan van thinh ca".
• Adding a wildcard symbol may retrieve word variants: doi ((chieu tinh) OR (chau tinh)) - thanh data phan cong tan van thinh ca*.