Perhaps you should try some spelling variations:
cau trieu » cac trieu, cau triet, chua trieu
thu sach » thuat sach, thuoc sach, thu hoach
vanh tai » van tai, hanh tai, vanh dai
tu sach » su sach, te sach, tu cach
anh tai » hanh tai, anh thai, xanh tai
va cam » va cham, va cac, va cao
xuc va » duc va, tuc va, luc va
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: ((thu sach) or (tu sach)) ky nang x hoi. lieu va cam xuc va ((vanh tai) OR (anh tai)) cau trieu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((thu sach) OR (tu sach)) ky nang x hoi. lieu va cam xuc va ((vanh tai) OR (anh tai)) cau trieu.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((thu sach) or (tu sach)) ky nang x hoi. lieu va cam xuc va ((vanh tai) OR (anh tai)) cau trieu".
• Adding a wildcard symbol may retrieve word variants: ((thu sach) or (tu sach)) ky nang x hoi. lieu va cam xuc va ((vanh tai) OR (anh tai)) cau trieu*.