Perhaps you should try some spelling variations:
nang mai » nang ma, nang tai, lang mai
chat xuc » chat huu, cam xuc, chao xu
thai va » thai van
va hanh » van hanh, va thanh, va danh
tu sach » thu sach, te sach, tu cach
hieu ve » hieu va, hieu van
mai hoi » mai khoi, dai hoi, lai hoi
su sach » so sach, vu sach
ve chat » va chat, van chat
xuc va » duc va, tuc va, luc va
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) OR (su sach)) ky 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) OR (su sach)) ky 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) OR (su sach)) ky 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) OR (su sach)) ky nang mai hoi. hieu ve chat xuc va hanh ((hai va) or (thai va)) thieu*.