Perhaps you should try some spelling variations:
sach trien » sach tien, sach tren, sach thieu
phap thong » phap phong, phap chong, phap tieng
trien thuc » trien thuoc, tren thuc, trien thuat
hoach tri » hoach toi, hoach hoi, hoach thu
khoa phap » khoa phau, khoan phai, khong phap
pho thong » he thong
anh khoa » doanh khoa, hang khoa
thuc cac » thuc cach, tuc cac, phuc cac
cac khoa » cac khoan, cac khoi, dac khoa
khoa pho » khoa phu, khoa khoa, khoa phau
tue anh » tu anh, tuyet anh, tuan anh
te sach » toc sach

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( thu hoach tri tue anh khoa phap thong ) or ( te sach trien thuc cac khoa pho thong ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( thu hoach tri tue anh khoa phap thong ) OR ( te sach trien thuc cac khoa pho thong )).
• Adding a wildcard symbol may retrieve word variants: (( thu hoach tri tue anh khoa phap thong ) or ( te sach trien thuc cac khoa pho thong ))*.