Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"khao van loc snippets" » "khao van code snippets", "hao van loc snippets", "thao van loc snippets", "chao van loc snippets", "khao van hoc snippets", "khao van loi snippets", "khao van ngoc 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: (((("khao van loc snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("khao van loc snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( khao van loc snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khao van loc snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.