Perhaps you should try some spelling variations:
thuat sach » thuat lanh, thuat san
thu sach » tu sach, thuoc sach, thu hoach
thanh di » thanh doi, thanh de, thanh do
va thanh » gia thanh, ban thanh, va tinh
lam xuc » cam xuc, lam duoc
cuu tre » cua tre, cau tren, cau treo
thi van » thi lan, thi hanh, thi nang
nang xa » nang x, lang xa, nang ma
xuc va » duc va, tuc va, luc va
di cuu » di cau, di cua, dinh cuu

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