Perhaps you should try some spelling variations:
phap trinh » phap tinh, lap trinh, phap sinh
thu sach » tu sach, thuat sach, thuoc sach
hoc phap » hoc phan, hoc phat, hoc pho
hieu van » hieu va, thien van, lieu va
tam hoc » tam hon, am hoc, tam ho
bao lua » bao luc, bai luan, bao quan
bao cua » ban cua, bai cua, bat cua
van tam » van tham, van tai, van tan
sach ky » sac ky, sach y, sach ty
lang ha » long 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 sach ky ((lang ha) or (nang x)) hoi. hieu van tam hoc phap trinh ((bao cua) or (bao lua)) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach ky ((lang ha) OR (nang x)) hoi. hieu van tam hoc phap trinh ((bao cua) OR (bao lua)) tre.
• Adding a wildcard symbol may retrieve word variants: thu sach ky ((lang ha) or (nang x)) hoi. hieu van tam hoc phap trinh ((bao cua) or (bao lua)) tre*.