Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"trong hue so snippets" » "trong hiep so snippets", "trong thuc so snippets", "trong hieu so snippets", "trong he so snippets", "trong hue ho snippets", "trong hue song 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: (((("trong hue so snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("trong hue so snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( trong hue so snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trong hue so snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.