Perhaps you should try some spelling variations:
kham chua » kham pha
thanh ve » hanh ve, thanh va, thanh vien
va thanh » gia thanh, ban thanh, va tinh
chua va » chuc va, chua may, chuan ha
va kham » va cham, va khao, va tham
nang xa » nang x, lang xa, nang ma
sach ky » sach y, sach ty, sach kem
sach tu » sach thu, cach tu, sach ty
cua tre » cua te, cuu tre, cua triet
sac ky » cac ky, sai ky
ve cua » le cua, de cua, te 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 tu))) or (sac ky)) nang xa hoi. lieu va kham chua va thanh ve cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su ((((sach ky) OR (sach tu))) OR (sac ky)) nang xa hoi. lieu va kham chua va thanh ve cua tre.
• Adding a wildcard symbol may retrieve word variants: su ((((sach ky) or (sach tu))) or (sac ky)) nang xa hoi. lieu va kham chua va thanh ve cua tre*.