Perhaps you should try some spelling variations:
phap trinh » phap tinh, lap trinh, phap sinh
thuoc phap » thuoc phai, thuc pham, hoc phap
trinh via » trinh va, trinh vi, trinh dia
nam thuoc » nam thuc, nam thu, nha thuoc
via cua » gia cua, gian cua, giau cua
cua tre » cua te, cuu tre, cua triet
sach ky » sach y, sach ty, sach kem
nang xa » lang xa, nang ma, mang xa
va nam » van nam, ha nam, va nay
sac ky » cac ky, sai ky

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

• Performing a fuzzy search may retrieve terms with similar spellings: te ((sach ky) OR (sac ky)) ((nang xa) or (nang x)) hoi. lieu va nam thuoc phap trinh via cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te ((sach ky) OR (sac ky)) ((nang xa) OR (nang x)) hoi. lieu va nam thuoc phap trinh via cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te ((sach ky) OR (sac ky)) ((nang xa) or (nang x)) hoi. lieu va nam thuoc phap trinh via cua tre".
• Adding a wildcard symbol may retrieve word variants: te ((sach ky) OR (sac ky)) ((nang xa) or (nang x)) hoi. lieu va nam thuoc phap trinh via cua tre*.