Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"het cho cong snippets" » "het cho code snippets", "het cao cong snippets", "het cua cong snippets", "het cac cong snippets", "chat cho cong snippets", "hiem cho cong snippets", "thep cho cong 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: (((("het cho cong snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("het cho cong snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( het cho cong snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("het cho cong snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.