Perhaps you should try some spelling variations:
thien thanh » tien thanh, thi thanh, hien hanh
thieu xanh » chieu xanh, hieu manh, thien anh
trong san » trong cac, cong san, dong san
sang qua » song qua, nang quan, tang quan
sang cua » mang cua, song cua, hang cua
san than » sang than, san thanh, ban than
than cap » khan cap, thanh lap, thanh cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((thieu xanh) or (thien thanh)) - nang ((sang qua) OR (sang cua)) dung trong san than cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu xanh) OR (thien thanh)) - nang ((sang qua) OR (sang cua)) dung trong san than cap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thieu xanh) or (thien thanh)) - nang ((sang qua) OR (sang cua)) dung trong san than cap".
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu xanh) or (thien thanh)) - nang ((sang qua) OR (sang cua)) dung trong san than cap*.