Perhaps you should try some spelling variations:
nang xa » nang x, lang xa, nang ma
va nang » van nang, da nang, cam nang
nang di » nang du, hang di, nang ji
cua tre » cua te, cuu tre, cua triet
tu sac » tu sach, tu cac, tu san
sac ky » cac ky, sai ky
ve cac » vien cac
bac va » ban va, bac ha, bao va
di cua » dai cua, doi cua, de 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) OR (va cac)) bac va nang di cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sac ky nang xa hoi. hieu ((ve cac) OR (va cac)) bac va nang di cua tre".
• Adding a wildcard symbol may retrieve word variants: tu sac ky nang xa hoi. hieu ((ve cac) OR (va cac)) bac va nang di cua tre*.