Perhaps you should try some spelling variations:
lang xa » lang ha, dang xay, lang van
hieu va » lieu va, hieu qua
cac loc » cac lop, cac toc, cac hoc
va tinh » may tinh
tinh vi » trinh vi, tinh voi, tinh va
cua tre » cua te, cuu tre, cua triet
can ky » van ky, ban ky, tan ky
dan ky » van ky
loc va » hoc va, luc va
vi cua » vai cua, di 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 ((can ky) or (dan ky)) lang xa hoi. hieu va cac loc va tinh vi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((can ky) OR (dan ky)) lang xa hoi. hieu va cac loc va tinh vi cua tre.
• Adding a wildcard symbol may retrieve word variants: tu ((can ky) or (dan ky)) lang xa hoi. hieu va cac loc va tinh vi cua tre*.