Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
thanh loi » thanh hoa, thanh hai, thanh lap
sach cam » sach cap, mach cam, sach tham
hieu van » hieu va, thien van, lieu va
cham xuc » chat xuc, cham soc, pham duc
cau tren » cu tren, dau tren, ca tren
tu sach » thu sach, su sach, te sach
nang xa » nang x, lang xa, nang ma
loi cau » loi ca, hoi cau, loi can

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 cam nang xa hoi. hieu van ((cham xuc) or (cam xuc)) ban thanh loi cau tren~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach cam nang xa hoi. hieu van ((cham xuc) OR (cam xuc)) ban thanh loi cau tren.
• Adding a wildcard symbol may retrieve word variants: tu sach cam nang xa hoi. hieu van ((cham xuc) or (cam xuc)) ban thanh loi cau tren*.