Perhaps you should try some spelling variations:
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va, hieu van
anh via » anh va, anh bia, anh viet
via cua » gia cua, gian cua, giau cua
cua tre » cua te, cuu tre, cua triet
sac ky » cac ky
ve cac » va cac, vien cac
lo van » vo van, so van, do van

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

• Performing a fuzzy search may retrieve terms with similar spellings: thuoc ((sac ky) or (sai ky)) nang xa hoi. hieu ve cac ((lo van) OR (le van)) anh via cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuoc ((sac ky) OR (sai ky)) nang xa hoi. hieu ve cac ((lo van) OR (le van)) anh via cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thuoc ((sac ky) or (sai ky)) nang xa hoi. hieu ve cac ((lo van) OR (le van)) anh via cua tre".
• Adding a wildcard symbol may retrieve word variants: thuoc ((sac ky) or (sai ky)) nang xa hoi. hieu ve cac ((lo van) OR (le van)) anh via cua tre*.