Perhaps you should try some spelling variations:
sach thu » sach thue, sach thieu, sach tham
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va, hieu van
sach ky » sac ky, sach y, sach ty
tuc va » thuc va, truc va, tuc xa
vi cua » vai cua, di cua
ve cam » ve cham, ve cac, va cam
luc va » duc va, loc va
cua te » cua tu

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 ky) or (sach thu)) nang xa hoi. hieu ve cam ((luc va) or (tuc va)) hanh vi cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach ky) OR (sach thu)) nang xa hoi. hieu ve cam ((luc va) OR (tuc va)) hanh vi cua te.
• Adding a wildcard symbol may retrieve word variants: tu ((sach ky) or (sach thu)) nang xa hoi. hieu ve cam ((luc va) or (tuc va)) hanh vi cua te*.