Perhaps you should try some spelling variations:
thong trinh » thong tinh, chuong trinh, phuong trinh
hieu quang » thieu quang, hieu quan, hieu qua
trinh hang » trinh han, tranh hang, trinh hanh
hieu lang » chieu sang, nhieu tang, hieu van
cua thong » cua thuong, cua khong, cua tong
sinh cua » manh cua, dinh cuu, sinh va
hang dau » hang va, 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 ((hieu lang) or (hieu quang)) - nhan sinh cua thong thong trinh hang dau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((hieu lang) OR (hieu quang)) - nhan sinh cua thong thong trinh hang dau.
• Adding a wildcard symbol may retrieve word variants: ho ((hieu lang) or (hieu quang)) - nhan sinh cua thong thong trinh hang dau*.