Perhaps you should try some spelling variations:
hanh tai » thanh tai, hang tai, han tai
va tham » van tham, va cham, va thanh
ky lang » ky nang, ky dang, ky tang
lang xa » lang ha, dang xay, lang van
tai cua » thai cua, tai cuc, tri cua
va hanh » van hanh, va thanh, va danh
te san » te ban, ke san, tu san
luc va » duc va, tuc va, loc va
va cao » va cac, va co, va dao
san ky » sang ky, van ky, dan ky
va cam » va cham, va cac, va cai
cua te » cua tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: te san ky lang xa hoi. hieu ((((va cam) or (va cao))) or (va tham)) luc va hanh tai cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te san ky lang xa hoi. hieu ((((va cam) OR (va cao))) OR (va tham)) luc va hanh tai cua te.
• Adding a wildcard symbol may retrieve word variants: te san ky lang xa hoi. hieu ((((va cam) or (va cao))) or (va tham)) luc va hanh tai cua te*.