Perhaps you should try some spelling variations:
thu sach » tu sach, thuat sach, thuoc sach
thi cong » tai cong, thien cong
cong cam » cong cau, cong cac, cong nam
thuc dan » thuc hanh, hoc dan, thuc vat
hanh vai » hanh vi, hanh va, hanh tai
cau tren » cu tren, dau tren, ca tren
nang xa » nang x, lang xa, nang ma
vai cau » va cau, van cau, vai cac
y nang » ky nang, ly nang, v nang
xuc va » duc va, tuc va, luc va

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. thi cong cam ((xuc va) or (thuc dan)) hanh vai cau tren~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach y nang xa hoi. thi cong cam ((xuc va) OR (thuc dan)) hanh vai cau tren.
• Adding a wildcard symbol may retrieve word variants: thu sach y nang xa hoi. thi cong cam ((xuc va) or (thuc dan)) hanh vai cau tren*.