Perhaps you should try some spelling variations:
"com doi chieu snippets" » "com doi code snippets", "com doc hieu snippets", "com doi chi snippets", "com ho chieu snippets", "com duoi chieu snippets", "co doi chieu snippets", "cuoc doi chieu snippets"
"locating bug core snippets" » "locating bug code snippets"
"python using sat snippets" » "python using data snippets", "python using a snippets", "python using raw 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: (((("com doi chieu snippets") or ("python using sat snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("com doi chieu snippets") OR ("python using sat snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( com doi chieu snippets ) or ( python using sat snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("com doi chieu snippets") or ("python using sat snippets"))) or ("locating bug core snippets"))*.