Perhaps you should try some spelling variations:
chieu chien » thien chien
hieu hien » bieu hien, dieu hien, dieu khien
va hanh » van hanh, va thanh, va danh
lai cua » dai cua, hai cua, lai chau
vai cua » dai cua, hai cua, bai cua
su sach » so sach, vu sach
cuoc lo » cuoc o, quoc lo, cuoc doi
sach ky » sac ky, sach y, sach ty
nang xa » nang x, lang xa, nang ma
lo va » lo van, lao va, ly va

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

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