Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
cong vinh » cong trinh, trong vinh, cong viec
vinh toan » tinh toan, hinh toan, minh toan
hang cua » hang ca, huong cua, thong cua
mang cua » manh cua, dung cua, ban cua
toan tap » toan ban
theo ho » theo hop, tho ho, thao hoc
theo bo » thao bo, theo doi, theo don

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

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