Perhaps you should try some spelling variations:
phap chong » phap phong, phap cong, pham hong
khoan phap » khoan phai, khoa phau, han phap
thuoc cac » thuoc cuc, thuoc cao, thuoc dac
khoan pho » khoan nhoi, khoan phai, khoan hoi
pho thong » he thong
tu thuoc » truc thuoc, tu thuong, cua thuoc
so sach » so sanh, bo sach, co sach
sach tu » sach thu, cach tu, sach ty
vu sach » vu bach, su sach, vu khach

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( so sach tu thuoc cac khoan pho thong ) OR ( vu sach tu thuoc cac khoan phap chong ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( so sach tu thuoc cac khoan pho thong ) OR ( vu sach tu thuoc cac khoan phap chong ))".
• Adding a wildcard symbol may retrieve word variants: (( so sach tu thuoc cac khoan pho thong ) OR ( vu sach tu thuoc cac khoan phap chong ))*.