Perhaps you should try some spelling variations:
van tham » van thanh, van tuan, van chat
van nham » van nam, van nhan, van pham
va hanh » van hanh, va thanh, va danh
thuc va » thuc vat, thuc dan, thuc day
su sach » so sach, vu sach
nang co » nang cao, nang doc, nang noi
sach v » sach va, sach y, sach 2
nang o » nang ho, nang ro, nang x
vi cua » vai cua, di cua
cua te » cua tu

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

• If you are trying to use Boolean operators, they must be ALL CAPS: su sach v ((nang o) OR (nang co)) hoi. hieu ((van nham) OR (van tham)) thuc va hanh vi cua te~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach v ((nang o) or (nang co)) hoi. hieu ((van nham) OR (van tham)) thuc va hanh vi cua te~".
• Adding a wildcard symbol may retrieve word variants: su sach v ((nang o) or (nang co)) hoi. hieu ((van nham) OR (van tham)) thuc va hanh vi cua te*.