Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"bao hoc du snippets" » "bai hoc du snippets", "bao goc du snippets", "bac hoc du snippets", "bao hoc duc snippets", "bao hoc dau snippets", "bao hoc dua 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: (((("bao hoc du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("bao hoc du snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( bao hoc du snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("bao hoc du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.