Perhaps you should try some spelling variations:
thieu khang » chieu khong, thieu quang
nnhanh lang » nhan lang, nhanh mang
nhanh lang » nhanh quang, nhanh thang, nhan dang
hoc thieu » toc thieu, hoc hien
thong dat » thong dan, thong dam, thong day
ca thong » ca thuong, cac thong, va thong
dat tren » dat trong, dua tren
tren ca » tren cay, tren co, tren c

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc thieu khang - ((nnhanh lang) or (nhanh lang)) ca thong thong dat tren ca~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu khang - ((nnhanh lang) OR (nhanh lang)) ca thong thong dat tren ca*.