Perhaps you should try some spelling variations:
toc sach » hoc sach, doc sach, thuoc sach
hanh tai » thanh tai, hang tai, han tai
nang xa » nang x, lang xa, nang ma
qua cam » qua cham, qua cac, qua ca
y nang » ky nang, ly nang, v nang
xuc va » duc va, tuc va, luc va
cua tu » cua tuc, cua su, cua cu

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc sach y nang xa hoi. hieu qua cam xuc va ((hanh tai) or (hang va)) ((cua te) OR (cua tu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc sach y nang xa hoi. hieu qua cam xuc va ((hanh tai) OR (hang va)) ((cua te) OR (cua tu)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc sach y nang xa hoi. hieu qua cam xuc va ((hanh tai) or (hang va)) ((cua te) OR (cua tu))".
• Adding a wildcard symbol may retrieve word variants: toc sach y nang xa hoi. hieu qua cam xuc va ((hanh tai) or (hang va)) ((cua te) OR (cua tu))*.