Perhaps you should try some spelling variations:
thuat sach » thuat lanh, thuat san
chat truc » cau truc, chat xuc
thu sach » tu sach, thuoc sach, thu hoach
hieu van » hieu va, thien van, lieu va
van chat » cao chat
danh sai » dung sai, danh bat, danh dau
nang xa » nang x, lang xa, nang ma
truc va » thuc va, thuc vat, trung va
va danh » va dinh, va dan, va hanh
sai cua » dai cua, hai cua, lai cua
cua tre » cua te, cuu tre, cua triet

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((thu sach) OR (thuat sach)) ky nang xa hoi. hieu van chat truc va danh sai cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((thu sach) OR (thuat sach)) ky nang xa hoi. hieu van chat truc va danh sai cua tre".
• Adding a wildcard symbol may retrieve word variants: ((thu sach) OR (thuat sach)) ky nang xa hoi. hieu van chat truc va danh sai cua tre*.