Perhaps you should try some spelling variations:
thu sach » tu sach, thuat sach, thuoc sach
va thanh » ban thanh, va tinh, le thanh
nang xa » nang x, lang xa, nang ma
hieu va » lieu va, hieu qua
chi tre » choi tre, chi tro, chi tiet
cho tre » cho thue, khoe tre
y nang » ky nang, ly nang, v nang
va cam » va cham, va cac, va cao

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 y nang xa hoi. hieu va cam xuc ((va thanh) or (gia thanh)) van ((chi tre) OR (cho tre))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach y nang xa hoi. hieu va cam xuc ((va thanh) OR (gia thanh)) van ((chi tre) OR (cho tre)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu sach y nang xa hoi. hieu va cam xuc ((va thanh) or (gia thanh)) van ((chi tre) OR (cho tre))".
• Adding a wildcard symbol may retrieve word variants: thu sach y nang xa hoi. hieu va cam xuc ((va thanh) or (gia thanh)) van ((chi tre) OR (cho tre))*.