Perhaps you should try some spelling variations:
doanh van » doan van, doanh va, doanh ban
thi cham » thi hai, toc cham, thi ha
thu nang » thu hang, thu bang, tho nang
thi nang » thi cong, ki nang, thi hanh
va doanh » van doanh, vay doanh, va danh
tu sach » thu sach, su sach, te sach
van chu » van chi, van phu, van cau
vu cham » va cham, vu kham, tu cham
chu tre » cho tre, chu tri, cuu tre
xuc va » duc va, tuc va, luc va

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sach ((thu nang) OR (thi nang)) xa hoi. hieu ((vu cham) OR (thi cham)) xuc va doanh van chu tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ((thu nang) OR (thi nang)) xa hoi. hieu ((vu cham) OR (thi cham)) xuc va doanh van chu tre".
• Adding a wildcard symbol may retrieve word variants: tu sach ((thu nang) OR (thi nang)) xa hoi. hieu ((vu cham) OR (thi cham)) xuc va doanh van chu tre*.