Perhaps you should try some spelling variations:
te sach » toc sach
tu sach » thu sach, su sach, tu cach
lang xa » dang xay, lang van
lang ha » long ha
qua cam » qua cham, qua cac, qua ca
va hanh » van hanh, va thanh, va danh
xuc va » duc va, tuc va, luc va
vi va » vi van, vai va, vu va
thiet » thieu

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) or (tu sach)) ky ((lang xa) or (lang ha)) hoi. hieu qua cam xuc va hanh vi va thiet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((te sach) OR (tu sach)) ky ((lang xa) OR (lang ha)) hoi. hieu qua cam xuc va hanh vi va thiet.
• Adding a wildcard symbol may retrieve word variants: ((te sach) or (tu sach)) ky ((lang xa) or (lang ha)) hoi. hieu qua cam xuc va hanh vi va thiet*.