Perhaps you should try some spelling variations:
nhanh chong » thanh cong, khanh phong
nganh cong » thanh cong
thu sach » tu sach, thuat sach, thuoc sach
sach doi » sach hoi, sach moi, sach dao
cuu long » cuu cong, cuu tong, cuu nang
long soc » lon soc, luong suc, cong so
tan nhan » tran nhan, tao nhan, van nhan
nhan dan » phan dau, gian dan, nhan tai
doi tai » hoi tai, dai tai, doi tac
hai tan » hai van, hai quan
ma hai » ta hai, va hai, xa hai

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 doi tai, nghien cuu long soc ((nhanh chong) or (nganh cong)) hoc ma hai tan nhan dan~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach doi tai, nghien cuu long soc ((nhanh chong) OR (nganh cong)) hoc ma hai tan nhan dan.
• Adding a wildcard symbol may retrieve word variants: thu sach doi tai, nghien cuu long soc ((nhanh chong) or (nganh cong)) hoc ma hai tan nhan dan*.