Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
van thanh » ban thanh, van tuan
thanh vi » hanh vi, thanh va, thanh ve
cham duc » pham duc, cham soc, pham duy
hieu van » thien van, lieu va, hieu ve
sach kem » hanh kem
duc van » duc va, duc tan, duc manh
hieu va » lieu va, hieu qua
nang xa » nang x, lang xa, nang ma
sac ky » cac ky, sai ky
vi cua » vai cua, di cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu ((sach kem) or (sac ky)) nang xa hoi. ((hieu van) OR (hieu va)) cham duc van thanh vi cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach kem) OR (sac ky)) nang xa hoi. ((hieu van) OR (hieu va)) cham duc van thanh vi cua triet*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((sach kem) or (sac ky)) nang xa hoi. ((hieu van) OR (hieu va)) cham duc van thanh vi cua triet*".