Perhaps you should try some spelling variations:
luu tre » luu tru, cuu tre
danh vi » hanh vi, dinh vi, danh di
va danh » va dinh, va dan, va hanh
sach ky » sac ky, sach ty, sach kem
cac tac » cac toc, cac bac, cac dac
hieu ve » hieu va, hieu van
nang xa » nang x, lang xa, nang ma
luy tre » luyen tre
ve cac » va cac, vien cac
tac va » tac da, tac xa, tuc va

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc ((sach ky) OR (sach y)) nang xa hoi. hieu ve cac tac va danh vi ((luu tre) or (luy tre))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc ((sach ky) OR (sach y)) nang xa hoi. hieu ve cac tac va danh vi ((luu tre) OR (luy tre)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc ((sach ky) OR (sach y)) nang xa hoi. hieu ve cac tac va danh vi ((luu tre) or (luy tre))".
• Adding a wildcard symbol may retrieve word variants: toc ((sach ky) OR (sach y)) nang xa hoi. hieu ve cac tac va danh vi ((luu tre) or (luy tre))*.