Perhaps you should try some spelling variations:
thanh vien » nhan vien, thanh van
sach thu » sach thue, sach thieu, sach tham
thu hang » thi hang, thuc hanh, thu huong
thanh va » thanh van, hanh va, thanh ha
hieu van » hieu va, thien van, lieu va
te sach » toc sach
cua tre » cua te, cuu tre, cua triet
cau xuc » cau luc, cau truc, chat xuc
hang xa » hoang xa, hang va, hang ca

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach thu hang xa hoi. hieu van ((cau xuc) OR (cam xuc)) va ((thanh vien) or (thanh va)) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach thu hang xa hoi. hieu van ((cau xuc) OR (cam xuc)) va ((thanh vien) OR (thanh va)) cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach thu hang xa hoi. hieu van ((cau xuc) OR (cam xuc)) va ((thanh vien) or (thanh va)) cua tre".
• Adding a wildcard symbol may retrieve word variants: te sach thu hang xa hoi. hieu van ((cau xuc) OR (cam xuc)) va ((thanh vien) or (thanh va)) cua tre*.