Perhaps you should try some spelling variations:
lang cong » dang cong, bang cong, hang cong
tac thanh » bac thanh, cac thanh, tcc thanh
thanh hai » thanh phan, thanh hoa, thanh san
theo chu » theo chieu, cho chu, theo yeu
chao chu » cho chu, cua chu, cao cho
lang van » dang van, tang van, hoang van
cong tac » cong ty
lang va » hang va, lang ha, lang xa

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((theo chu) or (chao chu)) sach - nhanh ((lang va) OR (lang van)) lang cong tac thanh hai~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chu) OR (chao chu)) sach - nhanh ((lang va) OR (lang van)) lang cong tac thanh hai.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo chu) or (chao chu)) sach - nhanh ((lang va) OR (lang van)) lang cong tac thanh hai".
• Adding a wildcard symbol may retrieve word variants: ((theo chu) or (chao chu)) sach - nhanh ((lang va) OR (lang van)) lang cong tac thanh hai*.