Perhaps you should try some spelling variations:
hanh hai » thanh hai, nhanh hai, hang hai
nha tang » nha trang, nham tang, ha tang
so sach » so sanh, bo sach, co sach
hai cua » thai cua, dai cua, hoi cua
va hanh » van hanh, va thanh, va danh
cam duc » cam xuc, cao duc, pham duc
hieu ve » hieu va, hieu van
mai hoi » mai khoi, dai hoi, lai hoi
ma hoi » xa hoi, ma hoa, me hoi
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: so sach nha tang ((ma hoi) OR (mai hoi)). ((hieu ve) or (lieu va)) cam duc va hanh hai cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sach nha tang ((ma hoi) OR (mai hoi)). ((hieu ve) OR (lieu va)) cam duc va hanh hai cua te*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "so sach nha tang ((ma hoi) OR (mai hoi)). ((hieu ve) or (lieu va)) cam duc va hanh hai cua te*".