Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"com doi cong snippets" » "com doi code snippets", "com doi song snippets", "com noi cong snippets", "com moi cong snippets", "com duoi cong snippets", "co doi cong snippets", "cuoc doi cong 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: (((("com doi cong snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("com doi cong snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( com doi cong snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("com doi cong snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.