Perhaps you should try some spelling variations:
cong thanh » dong thanh, cong trinh, cong tan
chia tinh » cha tinh, chua tinh, chieu tinh
tranh qua » tranh cua, trinh qua, tranh quang
thanh qua » thanh quan, thanh qui, hanh qua
thanh van » thanh san, thanh toan, thanh phan
hoc chia » hoc chi, hoc khia, hoc chinh

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc chia tinh - canh ((tranh qua) OR (thanh qua)) trong cong thanh van ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc chia tinh - canh ((tranh qua) OR (thanh qua)) trong cong thanh van ban".
• Adding a wildcard symbol may retrieve word variants: hoc chia tinh - canh ((tranh qua) OR (thanh qua)) trong cong thanh van ban*.