Perhaps you should try some spelling variations:
vien cac » vien bach, vien dai, vien da
hanh di » hanh vi, hanh de, hang di
va hanh » van hanh, va thanh, va danh
nang xa » nang x, lang xa, nang ma
sac ky » cac ky
va cao » va cac, va co, va dao
di cua » dai cua, doi cua, de cua
cua te » cua tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: thu ((sac ky) or (sai ky)) nang xa hoi. hieu ((vien cac) or (va cao)) duc va hanh di cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu ((sac ky) OR (sai ky)) nang xa hoi. hieu ((vien cac) OR (va cao)) duc va hanh di cua te.
• Adding a wildcard symbol may retrieve word variants: thu ((sac ky) or (sai ky)) nang xa hoi. hieu ((vien cac) or (va cao)) duc va hanh di cua te*.