Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
dinh lam » tinh lao
dua tren » dung tren
te sach » toc sach
sach ky » sac ky, sach y, sach ty
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va, hieu van
ve pham » vi pham, v pham, ve phan

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach ky nang xa hoi. hieu ve pham duc va ((dinh lam) or (dinh van)) ((dua tren) or (cua triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky nang xa hoi. hieu ve pham duc va ((dinh lam) OR (dinh van)) ((dua tren) OR (cua triet)).
• Adding a wildcard symbol may retrieve word variants: te sach ky nang xa hoi. hieu ve pham duc va ((dinh lam) or (dinh van)) ((dua tren) or (cua triet))*.