Perhaps you should try some spelling variations:
lang chai » lang ha, lang cua, lang phi
lang dai » lang hai, lang mai, hoang dai
nang xa » nang x, lang xa, nang ma
cu tren » tu tren, dua tren
va cam » va cham, va cac, va cai
va cao » va cac, va co, va dao
luc va » duc va, tuc va, loc va

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu cac ky nang xa hoi. lieu ((va cam) or (va cao)) luc va ((lang dai) OR (lang chai)) cu tren~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu cac ky nang xa hoi. lieu ((va cam) OR (va cao)) luc va ((lang dai) OR (lang chai)) cu tren.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu cac ky nang xa hoi. lieu ((va cam) or (va cao)) luc va ((lang dai) OR (lang chai)) cu tren".
• Adding a wildcard symbol may retrieve word variants: tu cac ky nang xa hoi. lieu ((va cam) or (va cao)) luc va ((lang dai) OR (lang chai)) cu tren*.