Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
chieu xanh » chieu sach, chieu sang, chieu tinh
hoc chieu » hoc thieu, ho chieu, hoc hien
cong dan » cong san, cong tan, huong dan
dan phan » doan phan, dan chan, van phan
phan lap » phan dau
san va » san van, ban va, han va
dan va » dan ca, ban va, han va

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc chieu xanh - hanh ((san va) or (((dan va) OR (doan va)))) thong cong dan phan lap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu xanh - hanh ((san va) OR (((dan va) OR (doan va)))) thong cong dan phan lap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc chieu xanh - hanh ((san va) or (((dan va) OR (doan va)))) thong cong dan phan lap".
• Adding a wildcard symbol may retrieve word variants: hoc chieu xanh - hanh ((san va) or (((dan va) OR (doan va)))) thong cong dan phan lap*.