Perhaps you should try some spelling variations:
cau theo » cau thi, cau tao
xa thanh » va thanh, ha thanh, ta thanh
xa khanh » van khanh, dat khanh, hoa khanh
tu sach » thu sach, su sach, tu cach
hieu va » lieu va, hieu qua
te sach » toc sach
ve cau » ke cau, va cau, ve cac
va cam » va cham, va cac, va cao
x hoi » xa hoi, o hoi, x ho

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 x hoi. hieu va cam xuc ((xa khanh) OR (xa thanh)) ve cau theo~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (te sach)) ky nang x hoi. hieu va cam xuc ((xa khanh) OR (xa thanh)) ve cau theo.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu sach) or (te sach)) ky nang x hoi. hieu va cam xuc ((xa khanh) OR (xa thanh)) ve cau theo".
• Adding a wildcard symbol may retrieve word variants: ((tu sach) or (te sach)) ky nang x hoi. hieu va cam xuc ((xa khanh) OR (xa thanh)) ve cau theo*.