Perhaps you should try some spelling variations:
thong minh » thong tin, hoang minh
doan thong » toan thong, doanh thuong, doan phuong
tung hinh » tinh hinh
giai cau » giai mau, giai ca, giai cac
cau tung » cau truong, cau duong, cau tieng
tu sach » thu sach, su sach, te sach
sach ha » sach nha, sach han, sach xa
le giai » de giai, ly giai, ve giai
tu bach » vu bach, tu cach, tu bac
ha le » va le

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( tu bach ((han me) OR (phan mem)) giai cau tung hinh ) or ( tu sach ha le giai doan thong minh ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( tu bach ((han me) OR (phan mem)) giai cau tung hinh ) OR ( tu sach ha le giai doan thong minh )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( tu bach ((han me) OR (phan mem)) giai cau tung hinh ) or ( tu sach ha le giai doan thong minh ))".
• Adding a wildcard symbol may retrieve word variants: (( tu bach ((han me) OR (phan mem)) giai cau tung hinh ) or ( tu sach ha le giai doan thong minh ))*.