Perhaps you should try some spelling variations:
thuat sach » thuat lanh, thuat san
thu sach » tu sach, thuoc sach, thu hoach
cau treo » cau theo, cau tren, cau triet
nang xa » nang x, lang xa, nang ma
hieu va » lieu va, hieu qua
xuc van » duc van, luc van, xuc ban
hanh di » hanh vi, hang di, danh di
hanh de » hanh ve, hanh kem
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) or (thuat sach)) ky nang xa hoi. hieu va cam xuc van ((hanh di) OR (hanh de)) cau treo~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((thu sach) OR (thuat sach)) ky nang xa hoi. hieu va cam xuc van ((hanh di) OR (hanh de)) cau treo*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((thu sach) or (thuat sach)) ky nang xa hoi. hieu va cam xuc van ((hanh di) OR (hanh de)) cau treo*".