Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
trung vap » trung cap, trung van, trung lap
cong nang » cong ngang, cong lang, cong nong
ho trieu » mot trieu, 25 trieu, 30 trieu
trung va » truong va, trang va, trung ha
sang ca » sang cua, sang ma, sang va
hang ca » hang va, nang cao, hang 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 trieu tinh - thanh ((trung vap) or (trung va)) nhung cong nang ((sang ca) OR (hang ca))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho trieu tinh - thanh ((trung vap) OR (trung va)) nhung cong nang ((sang ca) OR (hang ca)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho trieu tinh - thanh ((trung vap) or (trung va)) nhung cong nang ((sang ca) OR (hang ca))".
• Adding a wildcard symbol may retrieve word variants: ho trieu tinh - thanh ((trung vap) or (trung va)) nhung cong nang ((sang ca) OR (hang ca))*.