Perhaps you should try some spelling variations:
thu sach » thuat sach, thuoc sach, thu hoach
thi cong » tai cong, thien cong
hanh vai » hanh vi, hanh va, hanh tai
thuc dan » thuc hanh, hoc dan, thuc vat
cong cam » cong cau, cong cac, cong nam
nang xa » nang x, lang xa, nang ma
tu sach » su sach, te sach, tu cach
vai cuu » vai cua
cuu tre » cua tre, cau tren, cau treo
xuc va » duc va, tuc va, luc va
y nang » ky nang, ly nang, v nang

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 (tu sach)) y nang xa hoi. thi cong cam ((xuc va) or (thuc dan)) hanh vai cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((thu sach) OR (tu sach)) y nang xa hoi. thi cong cam ((xuc va) OR (thuc dan)) hanh vai cuu tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((thu sach) OR (tu sach)) y nang xa hoi. thi cong cam ((xuc va) or (thuc dan)) hanh vai cuu tre".
• Adding a wildcard symbol may retrieve word variants: ((thu sach) OR (tu sach)) y nang xa hoi. thi cong cam ((xuc va) or (thuc dan)) hanh vai cuu tre*.