Perhaps you should try some spelling variations:
kha nang » phap nang, ki nang, thi nang
tu sach » thu sach, su sach, te sach
va hang » van hang, va nang, va lang
hieu ve » hieu va, hieu van
cac xuc » cam xuc, cac nuoc, chat xuc
so sach » so sanh, bo sach, co sach
cua tre » cua te, cuu tre, cua triet
ve cac » va cac, vien cac
di cua » dai cua, doi cua, de cua
x hoi » xa hoi, o hoi, x ho

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 (so sach)) ky nang x hoi. hieu ve cac xuc ((va hang) or (kha nang)) di cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (so sach)) ky nang x hoi. hieu ve cac xuc ((va hang) OR (kha nang)) di cua tre.
• Adding a wildcard symbol may retrieve word variants: ((tu sach) or (so sach)) ky nang x hoi. hieu ve cac xuc ((va hang) or (kha nang)) di cua tre*.