Perhaps you should try some spelling variations:
"thi deu mong snippets" » "thi deu code snippets", "thi nen mong snippets", "thi deu muon snippets", "thi lau mong snippets", "thi dieu mong snippets", "thi dep mong snippets", "thi dau mong snippets"
"locating bug core snippets" » "locating bug code 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: (((("python using java snippets") or ("thi deu mong snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("thi deu mong snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( thi deu mong snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("thi deu mong snippets"))) or ("locating bug core snippets"))*.