Perhaps you should try some spelling variations:
te sach » toc sach
sach ky » sac ky, sach y, sach ty
nang xa » nang x, lang xa, nang ma
van cac » van cau, van bac, dan cac
van hac » van hoc, van ha, van hai
xa danh » va danh, dia danh, nam danh
vai cua » dai cua, hai cua, lai cua
hoi cua » hoi chuc
toc xa » tuc xa, toc ta, hoc xa

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

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