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