Perhaps you should try some spelling variations:
nang xa » nang x, lang xa, nang ma
ve pham » v pham, ve phan, ve phat
va danh » va dinh, va dan, va hanh
danh du » danh dau, danh tu, dinh du
sach v » sach va, sach y, sach vay
sach 2 » sach y
duy va » duy vat, duy van, day va
du hoa » duc hoa, do hoa, du hoc

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 v) or (sach 2)) nang xa hoi. hieu ((ve pham) OR (vi pham)) duy va danh du hoa viet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu ((sach v) OR (sach 2)) nang xa hoi. hieu ((ve pham) OR (vi pham)) duy va danh du hoa viet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu ((sach v) or (sach 2)) nang xa hoi. hieu ((ve pham) OR (vi pham)) duy va danh du hoa viet".
• Adding a wildcard symbol may retrieve word variants: thu ((sach v) or (sach 2)) nang xa hoi. hieu ((ve pham) OR (vi pham)) duy va danh du hoa viet*.