Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tam tham do snippets" » "tham tham do snippets", "tam than do snippets", "tam cham do snippets", "tam thai do snippets", "tam pham do snippets", "tam tham du 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: (((("tam tham do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tam tham do snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tam tham do snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tam tham do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.