Perhaps you should try some spelling variations:
hang cau » hang dau, hang ca, nhung cau
su triet » su viet, su tien, ve triet
su sach » so sach, vu sach
sach ly » sach y, sach lo, sach ty
ly hang » ly quang
qua cam » qua cham, qua cac, qua ca
xuc va » tuc va, luc va, xac va
vi su » va su, ve su, ki su

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sach ly hang cau hoi. hieu qua cam ((xuc va) or (duc va)) hanh vi su triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ly hang cau hoi. hieu qua cam ((xuc va) OR (duc va)) hanh vi su triet*.