Perhaps you should try some spelling variations:
cua triet » su triet, va triet
thanh lai » thanh hai, thanh lap, thanh loi
van thanh » ban thanh, van tuan
cua viet » ca viet, hoa viet, cua vat
cham duc » pham duc, cham soc, pham duy
duc van » duc va, duc tan, duc manh
tu sach » thu sach, su sach, te sach
hieu va » lieu va, hieu qua
lang ha » long ha
nang xa » nang x, lang xa, nang ma
va cham » va chat, va tham

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 y ((nang xa) or (lang ha)) hoi. hieu va cham duc van thanh lai ((cua triet) OR (cua viet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach y ((nang xa) OR (lang ha)) hoi. hieu va cham duc van thanh lai ((cua triet) OR (cua viet))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach y ((nang xa) or (lang ha)) hoi. hieu va cham duc van thanh lai ((cua triet) OR (cua viet))*".