Perhaps you should try some spelling variations:
thuat sach » thuat lanh, thuat san
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va, hieu van
lai cua » dai cua, hai cua, lai chau
vai cua » dai cua, hai cua, bai cua
sach ky » sac ky, sach y, sach ty
loc va » hoc va, luc va
tuc va » thuc va, truc va, tuc xa
ve cao » va cao, ve bao, ve cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: thuat sach ky nang xa hoi. hieu ve cao ((tuc va) or (loc va)) hanh ((vai cua) OR (lai cua)) te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuat sach ky nang xa hoi. hieu ve cao ((tuc va) OR (loc va)) hanh ((vai cua) OR (lai cua)) te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thuat sach ky nang xa hoi. hieu ve cao ((tuc va) or (loc va)) hanh ((vai cua) OR (lai cua)) te".
• Adding a wildcard symbol may retrieve word variants: thuat sach ky nang xa hoi. hieu ve cao ((tuc va) or (loc va)) hanh ((vai cua) OR (lai cua)) te*.