Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"thu lieu so snippets" » "thu dieu so snippets", "tu lieu so snippets", "thi lieu so snippets", "thu hieu so snippets", "thu thieu so snippets", "thu lieu hoc 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: (((("thu lieu so snippets") or ("python using java snippets"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thu lieu so snippets") OR ("python using java snippets"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( thu lieu so snippets ) or ( python using java snippets ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thu lieu so snippets") or ("python using java snippets"))) or ("locating bugs code snippets"))*.