Perhaps you should try some spelling variations:
thu sach » tu sach, thuat sach, thuoc sach
van chat » cao chat
tu cach » tu cac
nang xa » nang x, lang xa, nang ma
ve chat » va chat
va hanh » van hanh, va thanh, va danh
luu tre » luu tru, cuu tre, luy tre
xuc va » duc va, tuc va, luc va
vi luu » vi lua

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((tu cach) or (thu sach)) ky nang xa hoi. hieu ((ve chat) OR (van chat)) xuc va hanh vi luu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu cach) OR (thu sach)) ky nang xa hoi. hieu ((ve chat) OR (van chat)) xuc va hanh vi luu tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu cach) or (thu sach)) ky nang xa hoi. hieu ((ve chat) OR (van chat)) xuc va hanh vi luu tre".
• Adding a wildcard symbol may retrieve word variants: ((tu cach) or (thu sach)) ky nang xa hoi. hieu ((ve chat) OR (van chat)) xuc va hanh vi luu tre*.