Perhaps you should try some spelling variations:
bieu thien » bieu hien, dieu khien, bien phien
thien hach » thien thanh, hien hanh
hach xuan » bach xuan, thanh xuan, hoach luan
xuan van » luan van, quan van, xuan can
van hang » van khang, van hoang, van thang
tu sach » thu sach, su sach, tu cach
te sach » toc sach
nang ma » tang ma, sang ma, nang cao
cuu tre » cua tre, cau tren, cau treo
ma hoi » mai hoi, xa hoi, ma hoa
va cuu » va cau, va chu, va huu

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)) ky nang ma hoi. bieu thien hach xuan van hang va cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (te sach)) ky nang ma hoi. bieu thien hach xuan van hang va cuu tre.
• Adding a wildcard symbol may retrieve word variants: ((tu sach) or (te sach)) ky nang ma hoi. bieu thien hach xuan van hang va cuu tre*.