Perhaps you should try some spelling variations:
thien van » thi van
sach ly » sach y, sach lo, sach hay
sach ty » sach y, sach tu, sach thu
nam duc » nam duoc, pham duc, nam thuc
va hanh » van hanh, va thanh, va danh
va hoi » xa hoi, va hoc, va hoa
vu van » tu van
vi va » vi van, vai va, vu va

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 ly) OR (sach ty)) hang va hoi. thien van nam duc va hanh ((vi va) or (vu van)) triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach ly) OR (sach ty)) hang va hoi. thien van nam duc va hanh ((vi va) OR (vu van)) triet*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((sach ly) OR (sach ty)) hang va hoi. thien van nam duc va hanh ((vi va) or (vu van)) triet*".