Perhaps you should try some spelling variations:
tu sach » thu sach, su sach, te sach
va hanh » van hanh, va thanh, va danh
nang xa » nang x, lang xa, nang ma
vai cua » dai cua, hai cua, lai cua
sach ky » sac ky, sach y, sach ty
di cua » dai cua, doi cua, de cua
va cao » va cac, va co, va dao
luc va » duc va, tuc va, loc va
ve cam » ve cham, ve cac, va cam

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sach ky nang xa hoi. hieu ((ve cam) or (va cao)) luc va hanh ((di cua) or (vai cua)) te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ky nang xa hoi. hieu ((ve cam) OR (va cao)) luc va hanh ((di cua) OR (vai cua)) te.
• Adding a wildcard symbol may retrieve word variants: tu sach ky nang xa hoi. hieu ((ve cam) or (va cao)) luc va hanh ((di cua) or (vai cua)) te*.