Perhaps you should try some spelling variations:
tu sach » thu sach, su sach, te sach
xuc ban » duc ban, cuc ban, quoc ban
xuc van » duc van, luc van, vuc van
hieu ve » hieu va, hieu van
ve cham » va cham, ve chat, vu cham
mai hoi » mai khoi, dai hoi, lai hoi
y nang » ky nang, ly nang, v nang
ma hoi » xa hoi, ma hoa, me hoi
anh de » hanh de, anh d, anh ve
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: tu sach y nang ((ma hoi) or (mai hoi)). hieu ve cham ((xuc van) OR (xuc ban)) anh de cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach y nang ((ma hoi) OR (mai hoi)). hieu ve cham ((xuc van) OR (xuc ban)) anh de cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach y nang ((ma hoi) or (mai hoi)). hieu ve cham ((xuc van) OR (xuc ban)) anh de cua te".
• Adding a wildcard symbol may retrieve word variants: tu sach y nang ((ma hoi) or (mai hoi)). hieu ve cham ((xuc van) OR (xuc ban)) anh de cua te*.