Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
nhieu tang » chieu sang, hieu lang, nhiet nang
ho nhieu » hop nhieu, ho chieu, he nhieu
mang cua » manh cua, ban cua, cong cua
dung cua » dung luan, dung cho
cong tac » cong ty
phan tap » phan lap, pha tap, phan tu
han tap » han tai, toan tap, nhan tai

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho nhieu tang - hanh ((mang cua) OR (dung cua)) nhung cong tac ((han tap) or (phan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho nhieu tang - hanh ((mang cua) OR (dung cua)) nhung cong tac ((han tap) OR (phan tap)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho nhieu tang - hanh ((mang cua) OR (dung cua)) nhung cong tac ((han tap) or (phan tap))".
• Adding a wildcard symbol may retrieve word variants: ho nhieu tang - hanh ((mang cua) OR (dung cua)) nhung cong tac ((han tap) or (phan tap))*.