Perhaps you should try some spelling variations:
chat truc » cau truc, chat xuc
hieu van » hieu va, thien van, lieu va
toc sach » hoc sach, doc sach, thuoc sach
van chat » cao chat
xa hanh » xa thanh, xa khanh, va hanh
truc xa » tuc xa, truc va, truoc xay
nang ma » tang ma, sang ma, nang cao
ma hoi » mai hoi, xa hoi, ma hoa
y nang » ky nang, ly nang, v nang
vi cua » vai cua
di cua » dai cua, doi cua, de cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((te sach) or (toc sach)) y nang ma hoi. hieu van chat truc xa hanh ((vi cua) or (di cua)) tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((te sach) OR (toc sach)) y nang ma hoi. hieu van chat truc xa hanh ((vi cua) OR (di cua)) tu.
• Adding a wildcard symbol may retrieve word variants: ((te sach) or (toc sach)) y nang ma hoi. hieu van chat truc xa hanh ((vi cua) or (di cua)) tu*.