Perhaps you should try some spelling variations:
tinh lam » trinh lam, dinh lam, tinh lao
te sach » toc sach
sach ky » sac ky, sach y, sach ty
nang xa » nang x, nang ma, mang xa
lang xa » lang ha, dang xay, lang van
ve pham » vi pham, v pham, ve phat
ve phan » va phan, ke phan, ve phat
va tinh » may tinh
lam cua » nam cua, lam chat
cua tre » cua te, cuu tre, cua triet

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) or (lang xa)) hoi. hieu ((ve pham) OR (ve phan)) duc va tinh lam cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky ((nang xa) OR (lang xa)) hoi. hieu ((ve pham) OR (ve phan)) duc va tinh lam cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ky ((nang xa) or (lang xa)) hoi. hieu ((ve pham) OR (ve phan)) duc va tinh lam cua tre".
• Adding a wildcard symbol may retrieve word variants: te sach ky ((nang xa) or (lang xa)) hoi. hieu ((ve pham) OR (ve phan)) duc va tinh lam cua tre*.