Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hong tai so snippets" » "hong thai so snippets", "thong tai so snippets", "phong tai so snippets", "hong tai sao snippets", "hong dai so snippets", "hong tai co 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: (((("hong tai 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: (((("hong tai so snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hong tai so snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hong tai so snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.