Perhaps you should try some spelling variations:
cach thuce » sach thue
cach thuc » anh thuc, cac thu
thanh hai » thanh phan, thanh hoa, thanh san
hai cua » thai cua, dai cua, hoi cua
dong xa » dong xay, duong xa, dong ha
duc gia » quoc gia
ve cac » va cac, vien cac
va cam » va cham, va cac, va cao
cua tu » cua tuc, cua su, cua cu

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

• Performing a fuzzy search may retrieve terms with similar spellings: su ((cach thuc) or (cach thuce)) dong xa hoi. hieu ((ve cac) or (va cam)) duc gia thanh hai cua tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su ((cach thuc) OR (cach thuce)) dong xa hoi. hieu ((ve cac) OR (va cam)) duc gia thanh hai cua tu.
• Adding a wildcard symbol may retrieve word variants: su ((cach thuc) or (cach thuce)) dong xa hoi. hieu ((ve cac) or (va cam)) duc gia thanh hai cua tu*.