Perhaps you should try some spelling variations:
cong thanh » dong thanh, cong trinh, cong tan
theo chau » theo chu, theo chieu, theo phap
chau tinh » cuu tinh, ha tinh, cua tinh
cong manh » cong danh, duong manh, hoang manh
lang hay » lang ha, hang hay, lang hat
lang hai » lang chai, lang thai, lang ha
toan tap » toan ban

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 - nhanh ((lang hay) OR (lang hai)) nhung ((cong manh) or (cong thanh)) toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chau tinh - nhanh ((lang hay) OR (lang hai)) nhung ((cong manh) OR (cong thanh)) toan tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chau tinh - nhanh ((lang hay) OR (lang hai)) nhung ((cong manh) or (cong thanh)) toan tap".
• Adding a wildcard symbol may retrieve word variants: theo chau tinh - nhanh ((lang hay) OR (lang hai)) nhung ((cong manh) or (cong thanh)) toan tap*.