Perhaps you should try some spelling variations:
phap thuc » phap thu, phap hoc, phap tu
sach thu » sach thue, sach thieu, sach tham
danh de » hanh de, dan de, dang de
va danh » va dinh, va dan, va hanh
thuc va » thuc vat, thuc dan, thuc day
va phap » va phat, ban phap
nang xa » nang x, lang xa, nang ma
sach ky » sach y, sach ty, sach kem
cua tre » cua te, cuu tre, cua triet
sac ky » cac ky, sai ky
de cua » le cua, te cua, dieu cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: su ((((sach ky) or (sach thu))) or (sac ky)) nang xa hoi. lieu va phap thuc va danh de cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su ((((sach ky) OR (sach thu))) OR (sac ky)) nang xa hoi. lieu va phap thuc va danh de cua tre.
• Adding a wildcard symbol may retrieve word variants: su ((((sach ky) or (sach thu))) or (sac ky)) nang xa hoi. lieu va phap thuc va danh de cua tre*.