Perhaps you should try some spelling variations:
thuat sach » thuat lanh
nghien huu » nghien cuu, nguyen huu, nhiem huu
thanh nhan » thanh phan, thanh san, thanh toan
thuat san » thuat toan, thuat song, thuat lanh
hoi thanh » hoc thanh, hai thanh, hoa thanh
tung hoc » trung hoc, tuong hoc, dung hoc
nhan tai » hang tai, van tai, toan tai
hoc anh » hoc nganh, hoc nhanh, ngoc anh
anh hoa » anh khoa, danh hoa, hanh hoa
hoc xa » hoc ma

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ((thuat sach) or (thuat san)) hoc tap, nghien huu tung hoc anh hoa hoc xa hoi thanh nhan tai~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((thuat sach) OR (thuat san)) hoc tap, nghien huu tung hoc anh hoa hoc xa hoi thanh nhan tai.
• Adding a wildcard symbol may retrieve word variants: ((thuat sach) or (thuat san)) hoc tap, nghien huu tung hoc anh hoa hoc xa hoi thanh nhan tai*.