Perhaps you should try some spelling variations:
dinh cuu » dinh chi
vinh cuu » sinh cua, dinh cu, tinh cua
tham doc » than doc, tham do, tham nuoc
va hanh » van hanh, va thanh, va danh
va tham » van tham, va cham, va thanh
sach ky » sac ky, sach y, sach kem
nang xa » nang x, lang xa, nang ma
sach ty » sach y, sach tu, sach thu
doc va » duoc va, hoc va, duc va

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

• Performing a fuzzy search may retrieve terms with similar spellings: te ((sach ky) OR (sach ty)) nang xa hoi. lieu va tham doc va hanh ((vinh cuu) or (dinh cuu)) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te ((sach ky) OR (sach ty)) nang xa hoi. lieu va tham doc va hanh ((vinh cuu) OR (dinh cuu)) tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te ((sach ky) OR (sach ty)) nang xa hoi. lieu va tham doc va hanh ((vinh cuu) or (dinh cuu)) tre".
• Adding a wildcard symbol may retrieve word variants: te ((sach ky) OR (sach ty)) nang xa hoi. lieu va tham doc va hanh ((vinh cuu) or (dinh cuu)) tre*.