Perhaps you should try some spelling variations:
cach thuc » anh thuc
dieu kien » dieu khien, dien bien
tan thanh » tran thanh, tang thanh, toan thanh
cac thoi » cac toi, cac hop, cac tro
thanh ha » thanh hoa, thanh hai, nhanh ha
lang xa » lang ha, dang xay, lang van
kien da » kien dai, vien da, dien da
da duc » dao duc, da duoc, do duc
ha cua » hoa cua, hai cua, nha cua
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: thu ((cach thuc) or (((cac thu) OR (cac thoi)))) lang xa hoi. dieu kien da duc tan thanh ha cua tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu ((cach thuc) OR (((cac thu) OR (cac thoi)))) lang xa hoi. dieu kien da duc tan thanh ha cua tu.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu ((cach thuc) or (((cac thu) OR (cac thoi)))) lang xa hoi. dieu kien da duc tan thanh ha cua tu".
• Adding a wildcard symbol may retrieve word variants: thu ((cach thuc) or (((cac thu) OR (cac thoi)))) lang xa hoi. dieu kien da duc tan thanh ha cua tu*.