Perhaps you should try some spelling variations:
thien van » thi van
thanh vai » thanh hai, thanh van, thanh tai
cau tren » cu tren, dau tren, ca tren
thu sach » tu sach, thuat sach, thuoc sach
va thanh » gia thanh, ban thanh, va tinh
vai cau » va cau, van cau, vai cac
cam tuc » cam xuc, nam thuc, dam thuc
so sach » so sanh, bo sach, co sach
lang xa » lang ha, dang xay, lang van
ky lang » ky nang, ky dang, ky tang
cam tu » cam thu, nam tu, dam tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((so sach) or (thu sach)) ky lang xa hoi. thien van ((cam tuc) OR (cam tu)) va thanh vai cau tren~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((so sach) OR (thu sach)) ky lang xa hoi. thien van ((cam tuc) OR (cam tu)) va thanh vai cau tren.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((so sach) or (thu sach)) ky lang xa hoi. thien van ((cam tuc) OR (cam tu)) va thanh vai cau tren".
• Adding a wildcard symbol may retrieve word variants: ((so sach) or (thu sach)) ky lang xa hoi. thien van ((cam tuc) OR (cam tu)) va thanh vai cau tren*.