Perhaps you should try some spelling variations:
chat xuc » chat huu, cam xuc, chao xu
thai va » thai van
va hanh » van hanh, va thanh, va danh
tu sach » thu sach, su sach, te sach
hieu ve » hieu va, hieu van
mai hoi » mai khoi, dai hoi, lai hoi
ve chat » va chat, van chat
y nang » ky nang, ly nang, may nang
xuc va » duc va, tuc va, luc va
v nang » va nang, vu nang, van nang
hai va » hai van, hoi va, mai va

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