Perhaps you should try some spelling variations:
cau theo » cau thi, cau tao
thu sach » thuat sach, thuoc sach, thu hoach
hanh vai » hanh vi, hanh va, hanh tai
vai cau » va cau, van cau, vai cac
tu sach » su sach, te sach, tu cach
lang xa » lang ha, dang xay, lang van
ty lang » tay lang, ty xang, ty hang
hieu ve » hieu va, hieu van
ve cac » va cac, vien cac
xuc va » tuc va, luc va, xac va

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 (thu sach)) ty lang xa hoi. hieu ve cac ((xuc va) or (duc va)) hanh vai cau theo~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (thu sach)) ty lang xa hoi. hieu ve cac ((xuc va) OR (duc va)) hanh vai cau theo.
• Adding a wildcard symbol may retrieve word variants: ((tu sach) or (thu sach)) ty lang xa hoi. hieu ve cac ((xuc va) or (duc va)) hanh vai cau theo*.