Perhaps you should try some spelling variations:
nang xa » nang x, lang xa, nang ma
va danh » va dinh, va dan, va hanh
danh va » doanh va, hanh va, anh va
su viet » so viet
tu sac » tu sach, tu cac, tu san
sac ky » cac ky, sai ky
ve nam » he nam, va nam, le nam
va cay » va cac, va cao, va cai

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sac ky nang xa hoi. hieu ((ve nam) or (va cay)) tu va danh va su viet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ky nang xa hoi. hieu ((ve nam) OR (va cay)) tu va danh va su viet.
• Adding a wildcard symbol may retrieve word variants: tu sac ky nang xa hoi. hieu ((ve nam) or (va cay)) tu va danh va su viet*.