Perhaps you should try some spelling variations:
chat tai » chat thai, cao tai, khau tai
lam chat » luan chat, cao chat, ly chat
toc sach » hoc sach, doc sach, thuoc sach
dinh lam » dinh van, tinh lao
van dinh » van minh, van dich, va dinh
ve phan » va phan, ke phan, ve phat
duc van » duc va, duc tan, duc manh
nang xa » nang x, lang xa, nang ma
ve pham » vi pham, v pham, ve phat

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