Perhaps you should try some spelling variations:
nang xa » nang x, lang xa, nang ma
qua cac » cua cac
cac xuc » cam xuc, cac nuoc, chat xuc
va danh » va dinh, va hanh, dia danh
cua tre » cua te, cuu tre, cua triet
sac ky » sai ky
va dan » ca dan, va dao, va dau
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: vu ((sac ky) or (cac ky)) nang xa hoi. hieu qua cac xuc ((va danh) or (va dan)) di cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu ((sac ky) OR (cac ky)) nang xa hoi. hieu qua cac xuc ((va danh) OR (va dan)) di cua tre.
• Adding a wildcard symbol may retrieve word variants: vu ((sac ky) or (cac ky)) nang xa hoi. hieu qua cac xuc ((va danh) or (va dan)) di cua tre*.