Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cach van du snippets" » "cach van code snippets", "cac van du snippets", "bach van du snippets", "canh van du snippets", "cach van duy snippets", "cach van dau snippets", "cach van de 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: (((("cach van du snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cach van du snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( cach van du snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cach van du snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.