Perhaps you should try some spelling variations:
phuong trinh » chuong trinh, cong trinh, huong tran
phuong tin » phuong tien, thuong tin, phuong binh
co thong » bo thong, co trong, co phong
te sach » toc sach
sach ha » sach nha, sach han, sach xa
me gioi » me giai, ve gioi, me nguoi
gioi co » nguoi co
gioi so » gio so, gioi se, gioi song
ha me » cha me, ba me, ha le

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( te sach ha me gioi co thong tin ) or ( te sach ha me gioi so ((phuong tin) OR (phuong trinh)) ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( te sach ha me gioi co thong tin ) OR ( te sach ha me gioi so ((phuong tin) OR (phuong trinh)) )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( te sach ha me gioi co thong tin ) or ( te sach ha me gioi so ((phuong tin) OR (phuong trinh)) ))".
• Adding a wildcard symbol may retrieve word variants: (( te sach ha me gioi co thong tin ) or ( te sach ha me gioi so ((phuong tin) OR (phuong trinh)) ))*.