Perhaps you should try some spelling variations:
va danh » va dinh, va dan, va hanh
ky sang » ky nang, ky dang, duy sang
hai cua » thai cua, dai cua, hoi cua
ky tang » ky nang, ky dang, kho tang
hieu va » lieu va, hieu qua
sai cua » dai cua, lai cua, bai cua
cam luc » cam xuc, cau luc
te sac » te sach, te cac, te san
va cam » va cham, va cac, va cao
luc va » duc va, tuc va, loc va

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sac ((ky sang) OR (ky tang)) xa hoi. hieu va cam luc va danh ((sai cua) or (hai cua)) te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sac ((ky sang) OR (ky tang)) xa hoi. hieu va cam luc va danh ((sai cua) OR (hai cua)) te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sac ((ky sang) OR (ky tang)) xa hoi. hieu va cam luc va danh ((sai cua) or (hai cua)) te".
• Adding a wildcard symbol may retrieve word variants: te sac ((ky sang) OR (ky tang)) xa hoi. hieu va cam luc va danh ((sai cua) or (hai cua)) te*.