Perhaps you should try some spelling variations:
chat huu » pham huu
hieu van » hieu va, thien van, lieu va
chat xuc » cam xuc, chao xu, chat cua
va hanh » van hanh, va thanh, va danh
vai cua » dai cua, hai cua, lai cua
tu sach » thu sach, su sach, te sach
nang xa » nang x, lang xa, nang ma
y nang » ky nang, ly nang, v nang

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 hoi. hieu van ((chat xuc) or (chat huu)) va hanh ((vai cuu) OR (vai cua)) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach y nang xa hoi. hieu van ((chat xuc) OR (chat huu)) va hanh ((vai cuu) OR (vai cua)) tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach y nang xa hoi. hieu van ((chat xuc) or (chat huu)) va hanh ((vai cuu) OR (vai cua)) tre".
• Adding a wildcard symbol may retrieve word variants: tu sach y nang xa hoi. hieu van ((chat xuc) or (chat huu)) va hanh ((vai cuu) OR (vai cua)) tre*.