Perhaps you should try some spelling variations:
va thanh » gia thanh, ban thanh, va tinh
cham xuc » cam xuc, chat xuc, cham soc
nang mai » nang ma, nang tai, lang mai
so sach » bo sach, co sach, hoc sach
hieu ve » hieu va, hieu van
ve cham » va cham, ve chat, vu cham
mai hoi » mai khoi, dai hoi, lai hoi
so sanh » do sanh
so viet » hoc viet
va dan » ca dan, va dao, va dau
vi so » vi soi, vi mo, va so

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ((so sach) OR (so sanh)) ky nang mai hoi. hieu ve cham xuc ((va thanh) or (va dan)) vi so viet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((so sach) OR (so sanh)) ky nang mai hoi. hieu ve cham xuc ((va thanh) OR (va dan)) vi so viet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((so sach) OR (so sanh)) ky nang mai hoi. hieu ve cham xuc ((va thanh) or (va dan)) vi so viet".
• Adding a wildcard symbol may retrieve word variants: ((so sach) OR (so sanh)) ky nang mai hoi. hieu ve cham xuc ((va thanh) or (va dan)) vi so viet*.