Perhaps you should try some spelling variations:
van hanh » van thanh, ban hanh, van anh
sang ky » sang kyo, dang ky, bang ky
tang ky » dang ky, trong ky, tang khu
lang xa » lang ha, dang xay, lang van
hieu ve » hieu va, hieu van
luc van » luoc van, luu van, duc van
hanh va » hang va, hanh vi
chu tre » cho tre, chu tri, cuu tre
ve coc » ve cuoc, ve cac, ve co
va chu » va che, va cau, va chi

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu ((sang ky) OR (tang ky)) lang xa hoi. hieu ve coc luc van hanh va chu tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((sang ky) OR (tang ky)) lang xa hoi. hieu ve coc luc van hanh va chu tre".
• Adding a wildcard symbol may retrieve word variants: tu ((sang ky) OR (tang ky)) lang xa hoi. hieu ve coc luc van hanh va chu tre*.