Perhaps you should try some spelling variations:
chat xuc » chat huu, cam xuc, chao xu
tu sach » thu sach, te sach, tu cach
va danh » va dinh, va dan, dia danh
va hanh » van hanh, va thanh, ban hanh
va chat » van chat, va phat, cao chat
hieu va » lieu va, hieu qua
nang xa » nang x, lang xa, nang ma
su sach » so sach, vu sach
y nang » ky nang, ly nang, v nang
cua te » cua tu

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) OR (su sach)) y nang xa hoi. hieu va chat xuc ((va hanh) or (va danh)) dai cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (su sach)) y nang xa hoi. hieu va chat xuc ((va hanh) OR (va danh)) dai cua te*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu sach) OR (su sach)) y nang xa hoi. hieu va chat xuc ((va hanh) or (va danh)) dai cua te*".