Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cac cach hoc snippets" » "cac cach code snippets", "cai cach hoc snippets", "cuoc cach hoc snippets", "va cach hoc snippets", "cac cach thuc snippets", "cac cach thoi snippets", "cac dich hoc snippets"
"python using java snippets" » "python using data snippets"

Try widening your search to All Fields.

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("cac cach hoc snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cac cach hoc snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( cac cach hoc snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cac cach hoc snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.