Perhaps you should try some spelling variations:
nhanh tinh » nhanh thanh, hanh trinh, nhan sinh
cong thon » cong thong, nong thon, cong hon
van thang » van thanh, van khang, van hang
chieu ca » chieu cao, chieu day, nhieu cau
tinh phi » tinh phu, kinh phi, linh phi
phi cong » thi cong, phan cong, pham cong
thon van » thong van, tho van, chon van
thang ca » thang cua, hang ca, tang ca
hieu ca » hieu cac, hieu cua, hieu va

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

• Performing a fuzzy search may retrieve terms with similar spellings: doc ((hieu ca) OR (chieu ca)) - nhanh tinh phi cong thon van thang ca~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doc ((hieu ca) OR (chieu ca)) - nhanh tinh phi cong thon van thang ca".
• Adding a wildcard symbol may retrieve word variants: doc ((hieu ca) OR (chieu ca)) - nhanh tinh phi cong thon van thang ca*.