Perhaps you should try some spelling variations:
thu sach » thuat sach, thuoc sach, thu hoach
van chat » cao chat
tu sach » su sach, te sach, tu cach
va hanh » van hanh, va thanh, va danh
ve chat » va chat
lang xa » lang ha, dang xay, lang van
ky lang » ky nang, ky dang, ky tang
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 sach) or (thu sach)) ky lang 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 sach) OR (thu sach)) ky lang xa hoi. hieu ((ve chat) OR (van chat)) xuc va hanh vi luu tre.
• Adding a wildcard symbol may retrieve word variants: ((tu sach) or (thu sach)) ky lang xa hoi. hieu ((ve chat) or (van chat)) xuc va hanh vi luu tre*.