Perhaps you should try some spelling variations:
doan thi » dan thi, doanh tai, hoang thi
mai van » mai va, mai quan, thai van
hai van » thai van, ha van, hai tan
dinh vu » dich vu, dinh ve, dinh cu
vu doan » du doan, vu hoan, vu soan
thi goc » thi ngoc, thi loc, thi toc
thuong » truong, huong, thong

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

• Performing a fuzzy search may retrieve terms with similar spellings: cong ty tnhh đau va thuong ((mai van) OR (hai van)) dinh vu doan thi goc (thai* or than*)~.
• If you are trying to use Boolean operators, they must be ALL CAPS: cong ty tnhh đau va thuong ((mai van) OR (hai van)) dinh vu doan thi goc (thai* OR than*).
• The words AND, OR and NOT may confuse the search; try adding quotes: "cong ty tnhh đau va thuong ((mai van) OR (hai van)) dinh vu doan thi goc (thai* or than*)".
• Adding a wildcard symbol may retrieve word variants: cong ty tnhh đau va thuong ((mai van) OR (hai van)) dinh vu doan thi goc (thai* or than*)*.