Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hoc chan hoi snippets" » "hoc phan hoi snippets", "hoc chat hoi snippets", "hoc can hoi snippets", "hoc chan hai snippets", "hoc cham hoi 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: (((("hoc chan hoi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hoc chan hoi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hoc chan hoi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hoc chan hoi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.