Perhaps you should try some spelling variations:
phap thong » phap phong, phap chong, phap tieng
hoach tri » hoach toi, hoach hoi, hoach thu
cach hoan » cac khoan, hach toan, sach han
pho thong » he thong
sach tham » sach nha
khoa phap » khoa phau, khoan phai, khong phap
tue cach » tu cach, thuc cach, ve cach
hoan pho » hoang phe, hoc pho, hoan hao
tham gia » pham giao, tac gia, tran gia
cac khoa » cac khoan, cac khoi, dac khoa
tu sach » thu sach, su sach, te sach
gia cac » gian cac, giai cac, giua cac

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