Perhaps you should try some spelling variations:
van thanh » ban thanh, van tuan
thu sach » tu sach, thuat sach, thuoc sach
sach ty » sach y, sach tu, sach thu
ty nang » ky nang, ty xang, ty hang
nang xa » nang x, lang xa, nang ma
qua cam » qua cham, qua cac, qua ca
va danh » va dinh, va dan, va hanh
vai cua » hai cua, lai cua, bai cua

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

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