Perhaps you should try some spelling variations:
thu sach » tu sach, thuat sach, thuoc sach
hieu van » hieu va, thien van, hieu ve
sach ly » sach y, sach lo, sach ty
ly nang » ky nang, ly hang, ly vang
dau xuc » dau xac, dau xua, dau nuoc
va xanh » va danh, va hanh, va anh
xanh de » hanh de, xanh di, thanh de
xuc va » duc va, tuc va, luc va
de cua » le cua, te cua, dieu cua
cua te » cua tu

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 ly nang ((ma hoa) or (xa hoi)). ((hieu van) OR (lieu va)) dau xuc va xanh de cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach ly nang ((ma hoa) OR (xa hoi)). ((hieu van) OR (lieu va)) dau xuc va xanh de cua te*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu sach ly nang ((ma hoa) or (xa hoi)). ((hieu van) OR (lieu va)) dau xuc va xanh de cua te*".