Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"pho mac cho snippets" » "phoi mac cho snippets", "pho bac cho snippets", "pho mang cho snippets", "pho dac cho snippets", "pho gac cho snippets", "pho mai cho snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core 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: (((("pho mac cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("pho mac cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( pho mac cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("pho mac cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.