Perhaps you should try some spelling variations:
thien van » thi van
ban thanh » ban hanh, ban hang
thu sach » thuat sach, thuoc sach, thu hoach
thanh ha » thanh hoa, thanh hai, nhanh ha
nam truc » nam truoc, nam thuc, nam trung
cam truc » cau truc, lam truoc, nam truoc
nang xa » nang x, lang xa, nang ma
tu sach » su sach, te sach, tu cach
cu tren » tu tren, dua tren
y nang » ky nang, ly nang, v nang
ha cu » hat cu, hay cu, nha cu

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: ((thu sach) OR (tu sach)) y nang xa hoi. thien van ((cam truc) OR (nam truc)) ban thanh ha cu tren~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((thu sach) OR (tu sach)) y nang xa hoi. thien van ((cam truc) or (nam truc)) ban thanh ha cu tren~".
• Adding a wildcard symbol may retrieve word variants: ((thu sach) OR (tu sach)) y nang xa hoi. thien van ((cam truc) or (nam truc)) ban thanh ha cu tren*.