Perhaps you should try some spelling variations:
phap thong » phap phong, phap chong, pho thong
hoach tri » hoach toi, hoach hoi, hoach thu
khoa phap » khoa phau, khoan phai, khong phap
phan hong » phan cong, pham hong, phan song
tri thuc » tri tue
thuc anh » thuc hanh, thuy anh, thu anh
anh khoa » doanh khoa, hang khoa
sach dai » sach dao, sach bai, sach dat
tu sach » thu sach, su sach, te sach
dai thu » dai thua, dai thuc, doi thu
thu bao » thu ban, thuat bao, thu thao
ha phan » hoa phan, hai phan, va phan
bao ha » bao hoa, bao kha, bac ha

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 thuc anh khoa phap thong ) or ( tu sach dai thu bao ha phan hong ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( thu hoach tri thuc anh khoa phap thong ) OR ( tu sach dai thu bao ha phan hong )).
• Adding a wildcard symbol may retrieve word variants: (( thu hoach tri thuc anh khoa phap thong ) or ( tu sach dai thu bao ha phan hong ))*.