Perhaps you should try some spelling variations:
thieu nganh » hieu nganh, trien nganh, nghiep nganh
hanh mang » nhanh mang, hanh trang, nhanh lang
tdung dat » trung dai, vung dat, dong dat
mang dan » tang dan, dang dan, mang dat
dan dung » van dung, tin dung, ap dung
dung dat » dung va, dung tai
phan dau » phan tu, hang dau

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: toc thieu nganh - hanh mang dan dung ((tdung dat) or (dung dat)) phan dau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc thieu nganh - hanh mang dan dung ((tdung dat) OR (dung dat)) phan dau.
• Adding a wildcard symbol may retrieve word variants: toc thieu nganh - hanh mang dan dung ((tdung dat) or (dung dat)) phan dau*.