Perhaps you should try some spelling variations:
thuoc sach » hoc sach, nuoc sach, thuat sach
thu sach » tu sach, thuat sach, thu hoach
lai cua » dai cua, hai cua, lai chau
lai cuu » lai chau, lai cuoc, loai cua
va hanh » van hanh, va thanh, va danh
hieu ve » hieu va, hieu van
nang xa » nang x, lang xa, nang ma
ty nang » ky nang, ty xang, ty hang
xuc va » duc va, tuc va, luc 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: ((thu sach) OR (thuoc sach)) ty nang xa hoi. hieu ve cam xuc va hanh ((lai cuu) or (lai cua)) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((thu sach) OR (thuoc sach)) ty nang xa hoi. hieu ve cam xuc va hanh ((lai cuu) OR (lai cua)) tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((thu sach) OR (thuoc sach)) ty nang xa hoi. hieu ve cam xuc va hanh ((lai cuu) or (lai cua)) tre".
• Adding a wildcard symbol may retrieve word variants: ((thu sach) OR (thuoc sach)) ty nang xa hoi. hieu ve cam xuc va hanh ((lai cuu) or (lai cua)) tre*.