Perhaps you should try some spelling variations:
va thanh » gia thanh, ban thanh, va tinh
thanh vi » hanh vi, thanh va, thanh ve
tu sach » thu sach, su sach, tu cach
cau tuc » cau truc, cau tu, cau luc
te sach » toc sach
nang ma » tang ma, sang ma, nang cao
hieu ve » hieu va, hieu van
vi cua » vai cua, di cua
tuc va » thuc va, truc va, tuc xa
cua te » cua tu
ma hoi » mai hoi, xa hoi, ma hoa
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: ((tu sach) OR (te sach)) y nang ma hoi. ((hieu ve) or (lieu va)) cau tuc va thanh vi cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (te sach)) y nang ma hoi. ((hieu ve) OR (lieu va)) cau tuc va thanh vi cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu sach) OR (te sach)) y nang ma hoi. ((hieu ve) or (lieu va)) cau tuc va thanh vi cua te".
• Adding a wildcard symbol may retrieve word variants: ((tu sach) OR (te sach)) y nang ma hoi. ((hieu ve) or (lieu va)) cau tuc va thanh vi cua te*.