Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"van sang che snippets" » "van sang code snippets", "van nang che snippets", "van sung che snippets", "van hang che snippets", "van sang cho snippets", "van han che snippets", "van hang cho 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: (((("python using java snippets") or ("van sang che snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("van sang che snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( van sang che snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("van sang che snippets"))) or ("locating bug core snippets"))*.