Perhaps you should try some spelling variations:
gian cua » gian xu, ban cua
ky lang » ky dang, ky tang, tay lang
hieu ve » hieu va, hieu van
cau luc » cau truc, cau phuc
va tinh » may tinh
vu san » va san, vu ban
ve cau » ke cau, va cau, ve cac
luc va » duc va, tuc va, loc va
va cua » va chua, via cua, ca cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: vu san ((ky lang) or (ky nang)) xa hoi. hieu ve cau luc va tinh ((va cua) or (gian cua)) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu san ((ky lang) OR (ky nang)) xa hoi. hieu ve cau luc va tinh ((va cua) OR (gian cua)) tre.
• Adding a wildcard symbol may retrieve word variants: vu san ((ky lang) or (ky nang)) xa hoi. hieu ve cau luc va tinh ((va cua) or (gian cua)) tre*.