Perhaps you should try some spelling variations:
nham nang » phap nang, cam nang, kha nang
sach nham » sach nha, sach tham, sach han
ve triet » va trien, su triet
xanh lam » hanh lam, dinh lam, xanh a
danh lam » dinh lam, hanh lam, danh nam
vien cac » vien bach, vien dai, vien da
nang ma » tang ma, sang ma, nang cao
tu sach » thu sach, su sach, te sach
ve cam » ve cham, ve cac, va cam
xuc va » duc va, tuc va, luc 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 nham nang ma hoa. hieu ((ve cam) or (vien cac)) xuc va ((danh lam) or (xanh lam)) ve triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach nham nang ma hoa. hieu ((ve cam) OR (vien cac)) xuc va ((danh lam) OR (xanh lam)) ve triet.
• Adding a wildcard symbol may retrieve word variants: tu sach nham nang ma hoa. hieu ((ve cam) or (vien cac)) xuc va ((danh lam) or (xanh lam)) ve triet*.