Perhaps you should try some spelling variations:
phap thong » phap phong, phap chong, phap tieng
hoach tri » hoach toi, hoach hoi, hoach thu
tham thuc » nham thuc, pham thuc, tam thuc
pho thong » he thong
nha phap » nha phat, pham phap, chap phap
thuc anh » thuc hanh, thuy anh, thu anh
anh khoa » doanh khoa, hang khoa
khoa pho » khoa phu, khoa khoa, khoa phau
tu sach » thu sach, su sach, te sach
so sach » so sanh, bo sach, co sach
tri tu » tri tue, troi tu, tai tu

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