Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"thi theo doi snippets" » "thi theo code snippets", "thi thao doi snippets", "thi tho doi snippets", "thi thien doi snippets", "thi theo duoi snippets", "thi theo don snippets", "thi theo dong snippets"
"python using java snippets" » "python using data 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: (((("thi theo doi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thi theo doi snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( thi theo doi snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thi theo doi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.