Perhaps you should try some spelling variations:
cong cua » cong cu, dong cua, huong cua
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va, hieu van
tu sac » tu sach, tu cac, tu san
sac ky » cac ky, sai ky
ve cac » va cac, vien cac
tuc va » thuc va, truc va, tuc xa
co cua » con cua, ca cua, cuoi cua

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 cac ((tuc va) or (duc va)) danh ((co cua) OR (cong cua)) tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ky nang xa hoi. hieu ve cac ((tuc va) OR (duc va)) danh ((co cua) OR (cong cua)) tu.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sac ky nang xa hoi. hieu ve cac ((tuc va) or (duc va)) danh ((co cua) OR (cong cua)) tu".
• Adding a wildcard symbol may retrieve word variants: tu sac ky nang xa hoi. hieu ve cac ((tuc va) or (duc va)) danh ((co cua) OR (cong cua)) tu*.