Perhaps you should try some spelling variations:
thuat sach » thuat lanh, thuat san
trinh may » trinh ky, trinh han, trinh ly
trinh bat » trinh ban, trinh bao, trinh bay
hoc phap » hoc phan, hoc phat, hoc pho
lam hoc » am hoc, lam hoa, tam hoc
lang ha » long ha
sach ky » sac ky, sach y, sach ty
va lam » van lam, va lap
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: thuat sach ky ((lang ha) or (nang x)) hoi. lieu va lam hoc phap ((trinh bat) or (trinh may)) cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuat sach ky ((lang ha) OR (nang x)) hoi. lieu va lam hoc phap ((trinh bat) OR (trinh may)) cua te.
• Adding a wildcard symbol may retrieve word variants: thuat sach ky ((lang ha) or (nang x)) hoi. lieu va lam hoc phap ((trinh bat) or (trinh may)) cua te*.