Perhaps you should try some spelling variations:
va trien » va truyen, va thiet, va tuyen
sach ky » sac ky, sach ty, sach kem
lang xa » lang ha, dang xay, lang van
qua cam » qua cham, qua cac, qua ca
xuc van » duc van, luc van, vuc van
hanh ve » hanh vi, hanh kem
hanh va » hang va, hanh vi

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 ky) OR (sach y)) lang xa hoi. hieu qua cam xuc van ((hanh ve) or (hanh va)) va trien~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te ((sach ky) OR (sach y)) lang xa hoi. hieu qua cam xuc van ((hanh ve) OR (hanh va)) va trien.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te ((sach ky) OR (sach y)) lang xa hoi. hieu qua cam xuc van ((hanh ve) or (hanh va)) va trien".
• Adding a wildcard symbol may retrieve word variants: te ((sach ky) OR (sach y)) lang xa hoi. hieu qua cam xuc van ((hanh ve) or (hanh va)) va trien*.